Cita APA (7th ed.)

Gagg, J. C. (1955). Teaching written English. Newnes Educational.

Cita Chicago (17th ed.)

Gagg, J. C. Teaching Written English. London: Newnes Educational, 1955.

Cita MLA (8th ed.)

Gagg, J. C. Teaching Written English. Newnes Educational, 1955.