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But quote-enclosed reference names may not include a less-than sign (<) or a double straight quote symbol ("), which may however be included by escaping as < and " respectively. The quote marks must be the standard, straight, double quotation marks ( " ); curly or other quotes will be parsed as part of the reference name.
The reference may be defined inline or in the reference list. You may have misspelled the reference name, used special characters that look the same but are actually different, or the original named reference is missing (for example, if you just copied and pasted the invoked ref).
The quote marks must be the standard, straight, double quotation marks ("); curly or other quotes will be parsed as part of the reference name. You may optionally provide reference names even when the reference name is not required. This makes later re-use of the sourced reference easier.
In particular, sources are required for material that is challenged or likely to be challenged. If reliable sources cannot be found for challenged material, it is likely to be removed from the article. Sources are also required when quoting someone, with or without quotation marks, or closely paraphrasing a source. But the need to cite sources ...
The content of any webpage may change at any moment, or disappear completely. To ensure link accessibility and stability, please consider pre-emptively adding an archive URL from an archive source such as the Internet Archive or WebCite. Wikipedia citation templates all allow for archive information to be included along with the original reference.
External links and references are two important elements of Wikipedia that newcomers sometimes find trouble with. This page is designed to cover only the technical aspects of linking and referencing; it is essential that editors also familiarize themselves with Wikipedia:External links, Wikipedia:Reliable sources and Wikipedia:Citing sources, as well as Wikipedia's various other policies ...
For a citation to appear in a footnote, it needs to be enclosed in "ref" tags. You can add these by typing <ref> at the front of the citation and </ref> at the end. . Alternatively you may notice above the edit box there is a row of "markup" formatting buttons which include a <ref></ref> button to the right—if you highlight your whole citation and then click this markup button, it will ...
Excel pivot tables include the feature to directly query an online analytical processing (OLAP) server for retrieving data instead of getting the data from an Excel spreadsheet. On this configuration, a pivot table is a simple client of an OLAP server.