एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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