Gaya APA

Alexander, L, G. (1975). Practice And Progress : Supplementary Written Exercise (Cet ke 1). Yogyakarta: Penerbit Kanisius.

Gaya MLA

Alexander, L., G.. "Practice And Progress : Supplementary Written Exercise". Cet ke 1 Yogyakarta: Penerbit Kanisius, 1975. Text.