(2004). Squid: The definitive guide / Duane Wessels.
Chicago Style (17th ed.) ZitazioaSquid: The Definitive Guide / Duane Wessels. 2004.
MLA (9th ed.) ZitazioaSquid: The Definitive Guide / Duane Wessels. 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.