Gaya APA

(4), J, S, &, Y, P, (, T, A, P., Prabawati, T, A. (2013). English For Academic Purposes (Ed.:-, Jlh. Eksp=3). Yogyakarta: C.V. Andi Offset.

Gaya MLA

(4), Jonathan, Sarwono, &, Yudhy, Purwanto, (1),, Th., Arie, Prabawati., Prabawati, Th., Arie. "English For Academic Purposes". Ed.:-, Jlh. Eksp=3 Yogyakarta: C.V. Andi Offset, 2013. Text.