एपीए उद्धरण

Hashemi, L. (2006). Grammar for PET with Answers. Cambridge University Press.

शिकागो स्टाइल उद्धरण

Hashemi, Louise. Grammar for PET With Answers. Cambridge University Press, 2006.

एमएलए उद्धरण

Hashemi, Louise. Grammar for PET With Answers. Cambridge University Press, 2006.