Gaya APA

ALEXANDER, L. (2004). First things first : student's book an integrated course for beginners/ L.G. Alexander (Cet. 26). Yogyakarta: Kanisius-Logman.

Gaya MLA

ALEXANDER, L.G.. "First things first : student's book an integrated course for beginners/ L.G. Alexander". Cet. 26 Yogyakarta: Kanisius-Logman, 2004. Text.