Cita APA (7th ed.)

CAMPBELL, R. (1938). English composition for foreign students. Longman.

Cita Chicago (17th ed.)

CAMPBELL, R.R. English Composition for Foreign Students. London: Longman, 1938.

Cita MLA (9th ed.)

CAMPBELL, R.R. English Composition for Foreign Students. Longman, 1938.