APA aipamena

Hashemi, L. (2003). Objective PET: Student's book. Cambridge, UK: Cambridge University Press.

Chicago Style aipamena

Hashemi, Louise. Objective PET: Student's Book. Cambridge, UK: Cambridge University Press, 2003.

MLA aipamena

Hashemi, Louise. Objective PET: Student's Book. Cambridge, UK: Cambridge University Press, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.