APA Style

Doughty, Peter, Thornton, Geoffrey. (1973). Language study, the teacher and the learner . Inggris: Edward Arnold.

Chicago Style

Doughty, Peter, Thornton, Geoffrey. Language study, the teacher and the learner. Inggris: Edward Arnold, 1973. Text.

MLA Style

Doughty, Peter, Thornton, Geoffrey. Language study, the teacher and the learner. Inggris: Edward Arnold, 1973. Text.

Turabian Style

Doughty, Peter, Thornton, Geoffrey. Language study, the teacher and the learner. Inggris: Edward Arnold, 1973. Print.