Gaya APA

G., A, L. (1983). Practice And Progress: An Integrated course for pre-intermediate Students (Second Published). Yogyakarta: Penerbit Yayasan Kanisius.

Gaya MLA

G., Alexander, L.. "Practice And Progress: An Integrated course for pre-intermediate Students". Second Published Yogyakarta: Penerbit Yayasan Kanisius, 1983. Teksbook.