Gaya APA

Slater, J., C., S. (2005). SPEAKING STUDENT'S BOOK 1 . Yogyakarta: Kanisius.

Gaya MLA

Slater, Joanne, Collie,, Stephen. "SPEAKING STUDENT'S BOOK 1". Yogyakarta: Kanisius, 2005. Buku Inti.