Cita APA (7th ed.)

Haycraft, J. (1978). An introduction to english language teaching (1a. ed.). Longman.

Cita Chicago (17th ed.)

Haycraft, John. An Introduction to English Language Teaching. 1a. ed. Londres: Longman, 1978.

Cita MLA (9th ed.)

Haycraft, John. An Introduction to English Language Teaching. 1a. ed. Longman, 1978.