Παραπομπή APA

Date, C. J., & Darwen, H. (1997). Guide to the SQL standard: A user's guide to the standard database language SQL .-4th ed (4th ed.). Addison-Wesley.

Παραπομπή Chicago Style

Date, C. J., και Hugh Darwen. Guide to the SQL Standard: A User's Guide to the Standard Database Language SQL .-4th Ed. 4th ed. Reading, Mass.: Addison-Wesley, 1997.

Παραπομπή MLA

Date, C. J., και Hugh Darwen. Guide to the SQL Standard: A User's Guide to the Standard Database Language SQL .-4th Ed. 4th ed. Addison-Wesley, 1997.