reference
ref-er-ence
noun
A source of information, or a person providing a recommendation.
"Please provide two professional references."
noun
The act of mentioning or alluding to something or someone.
"He made a direct reference to the incident."
verb
To mention or allude to something; to cite a source.
"He referenced the report in his speech."
Thesaurus
Synonyms: reference book, book of facts, reference work, reference point, point of reference, mention, source, cite, computer address, address, citation, credit