Wikipedia:Identifying and using self-published works: Difference between revisions

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# For certain claims by the author about themselves. (See [[#For claims by self-published authors about themselves]])

# The author is an established expert on the topic of the article whose work '''in the relevant field''' has previously been published by reliable third-party publications, except for exceptional claims.<ref name="EXCEPTIONAL">Please do note that any exceptional claim would require [[Wikipedia:Verifiability#Exceptional claims require exceptional_sources|exceptional sources]]</ref> Take care when using such sources: if the information in question is really worth reporting, someone else will probably have done so.<ref>Further examples of self published sources include press releases, material contained within company websites, advertising campaigns, material published in media by the owner(s)/publisher(s) of the media group, self-released music albums and [[manifesto|electoral manifestos]]:</ref>

# A self-published work may be used as a source when the statement concerns ''the source itself''. For example, for the statement "The organization purchased full-page advertisements in major newspapers advocating gun control," the advertisement(s) in question could be cited as sources, even though advertisements are self-published.

=== Unacceptable use of self-published works ===

# Claims by the author themselves don't meet the criteria in [[#For claims by self-published authors about themselves]])

# Exceptional claims, even when the author is an established expert on the topic cited. (See [[Wikipedia:Verifiability#Exceptional claims require exceptional_sources|Exceptional claims require exceptional sources]])

# Third-party sources about living people, even if the author is an expert, well-known professional researcher, or writer.