Gaya APA

Collie, J., Slater, S. (2005). Speaking 3 : students book (Cet. 5). Yogyakarta: Kanisius.

Gaya MLA

Collie, Joanne., Slater, Stephen. "Speaking 3 : students book". Cet. 5 Yogyakarta: Kanisius, 2005. Text.