APA (7th ed.) Zitazioa

(1997). A guide to the SQL standard: A user's guide to the standard database language SQL / C.J. Date with Hugh Darwen.

Chicago Style (17th ed.) Zitazioa

A Guide to the SQL Standard: A User's Guide to the Standard Database Language SQL / C.J. Date with Hugh Darwen. 1997.

MLA (9th ed.) Zitazioa

A Guide to the SQL Standard: A User's Guide to the Standard Database Language SQL / C.J. Date with Hugh Darwen. 1997.