Παραπομπή APA

Oppel, A. (2005). SQL demystified. McGraw-Hill/Osborne.

Παραπομπή Chicago Style

Oppel, Andy. SQL Demystified. New York: McGraw-Hill/Osborne, 2005.

Παραπομπή MLA

Oppel, Andy. SQL Demystified. McGraw-Hill/Osborne, 2005.