APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.