Gaya APA

ALEXANDER, L. (1978). First things first: recorded drills: tapescript / Alexander. L.G. (Cet.1). : Kanisius.

Gaya MLA

ALEXANDER, L.G.. "First things first: recorded drills: tapescript / Alexander. L.G.". Cet.1 : Kanisius, 1978. Referensi.