APA aipamena

Beighley, L. (2007). Head first SQL. O'Reilly Media.

Chicago Style aipamena

Beighley, Lynn. Head First SQL. Beijing ; Sebastopol, CA: O'Reilly Media, 2007.

MLA aipamena

Beighley, Lynn. Head First SQL. O'Reilly Media, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.