Gaya APA

DOFF, A. (1990). Teach English : a training course for teachers: Trainers Handbook/ Adrian Doff" (cet. 4). British: Cambridge University Press.

Gaya MLA

DOFF, Adrian. "Teach English : a training course for teachers: Trainers Handbook/ Adrian Doff"". cet. 4 British: Cambridge University Press, 1990. Text.