APA (7th ed.) Zitazioa

Girle, R. (2003). Possible worlds. Acumen.

Chicago Style (17th ed.) Zitazioa

Girle, Rod. Possible Worlds. Chesham [England]: Acumen, 2003.

MLA (9th ed.) Zitazioa

Girle, Rod. Possible Worlds. Acumen, 2003.