APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：这些引文格式不一定是100％准确.