Gaya APA

Alexander, L. (1999). First things first:an integrated course for beginners / L.G.Alexander (Cet.19). Yogyakarta: Kanisius.

Gaya MLA

Alexander, L.G.. "First things first:an integrated course for beginners / L.G.Alexander". Cet.19 Yogyakarta: Kanisius, 1999. Text.