Gaya APA

Sarwono, J., Purwanto, Y. (2013). English for Academic Purpose A Succesful Way to Learn Scientific English (Edisi Pertama). Yogyakarta: ANDI.

Gaya MLA

Sarwono, Jonathan., Purwanto, Yudhy. "English for Academic Purpose A Succesful Way to Learn Scientific English". Edisi Pertama Yogyakarta: ANDI, 2013. Text.