Gaya APA

ALEXANDER, L. (1975). First things first students' book: an integrated course for beginners / L.G. Alexander ; illustrated by Tom Balley and Ted Pettengell . : Kanisius.

Gaya MLA

ALEXANDER, L.G.. "First things first students' book: an integrated course for beginners / L.G. Alexander ; illustrated by Tom Balley and Ted Pettengell". : Kanisius, 1975. Referensi.