Penggayaan APA

G.Alexander. (1972). Practice and progress : an integrated course for pre - intermediate student . London: Longman.

Chicago Style

G.Alexander. Practice and progress : an integrated course for pre - intermediate student. London: Longman, 1972. Text.

MLA Style

G.Alexander. Practice and progress : an integrated course for pre - intermediate student. London: Longman, 1972. Text.

Turabian Style

G.Alexander. Practice and progress : an integrated course for pre - intermediate student. London: Longman, 1972. Print.