Gaya APA

Sarwono, J., Purwanto, Y. (2013). English for academic purposes : A successful way to learn scientific English (reading, writing, vocabulary) . Yogyakarta: Andi.

Gaya MLA

Sarwono, Jonathan., Purwanto, Yudhy. "English for academic purposes : A successful way to learn scientific English (reading, writing, vocabulary)". Yogyakarta: Andi, 2013. Buku Tercetak.