Gaya APA

ALEXANDER, L. (2004). New concept English first things first : recorded drills:tapescript (Cet.ke-12). Yogyakarta: Kanisius-Longman.

Gaya MLA

ALEXANDER, L.G.. "New concept English first things first : recorded drills:tapescript". Cet.ke-12 Yogyakarta: Kanisius-Longman, 2004. Text.