APA ציטוט

Gershon, S. (2002). English upgrade. Oxford, UK: Macmillan.

Trích dẫn kiểu Chicago

Gershon, Steven. English Upgrade. Oxford, UK: Macmillan, 2002.

ציטוט MLA

Gershon, Steven. English Upgrade. Oxford, UK: Macmillan, 2002.