Gaya APA

Sarwono, J., Purwanto, Y. (2013). English for Academic Purposes : A Successful Way to Learn Scientific English . Yogyakarta: Andi.

Gaya MLA

Sarwono, Jonathan., Purwanto, Yudhy. "English for Academic Purposes : A Successful Way to Learn Scientific English". Yogyakarta: Andi, 2013. Buku Text.