Cita APA (7a ed.)

Billows, F. (1962). The techniques of language teaching (1 ed.). Longmans.

Cita Chicago Style (17a ed.)

Billows, F.L. The Techniques of Language Teaching. 1 ed. London: Longmans, 1962.

Cita MLA (8a ed.)

Billows, F.L. The Techniques of Language Teaching. 1 ed. Longmans, 1962.