Gaya APA

Swales, J, M., fek, C, B. (2004). Academic writing for graduate students : essential tasks and skills (2 -). Amerika: the university of michigan press.

Gaya MLA

Swales, John, M., fek, Christine, B. "Academic writing for graduate students : essential tasks and skills ". 2 - Amerika: the university of michigan press, 2004. Text.