APA (7th ed.) Zitazioa
(2008). The big penis book: [the iron age of hard forged tools]. Taschen.
Chicago Style (17th ed.) Zitazioa
The Big Penis Book: [the Iron Age of Hard Forged Tools]. Hong Kong [u.a.]: Taschen, 2008.
MLA (9th ed.) Zitazioa
The Big Penis Book: [the Iron Age of Hard Forged Tools]. Taschen, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.