APA aipamena

KING, A. (2008). WEBSITE OPTIMISATION. O REILLY.

Chicago Style aipamena

KING, A.B. WEBSITE OPTIMISATION. MUMBAI: O REILLY, 2008.

MLA aipamena

KING, A.B. WEBSITE OPTIMISATION. O REILLY, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.