APA (7th ed.) Zitazioa

Truitt. Medieval Robots. University of Pennsylvania Press.

Chicago Style (17th ed.) Zitazioa

Truitt. Medieval Robots. University of Pennsylvania Press.

MLA (9th ed.) Zitazioa

Truitt. Medieval Robots. University of Pennsylvania Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.