Gaya APA

Sarwono, J., Purwanto, Y. (2013). English For Academic Purposes: A Succesful Way To Learn Scientific English (1). Yogyakarta: CV Andi Offset.

Gaya MLA

Sarwono, Jonathan., Purwanto, Yudhy. "English For Academic Purposes: A Succesful Way To Learn Scientific English". 1 Yogyakarta: CV Andi Offset, 2013. Texts.