Cita APA (7a ed.)

Bright, J. A., & MacGregor, G. P. (1971). Teaching English as a second language: : theory and techniques for the secondary stage. Longman.

Cita Chicago Style (17a ed.)

Bright, John Ambrose, y G. P. MacGregor. Teaching English as a Second Language: : Theory and Techniques for the Secondary Stage. London: Longman, 1971.

Cita MLA (9a ed.)

Bright, John Ambrose, y G. P. MacGregor. Teaching English as a Second Language: : Theory and Techniques for the Secondary Stage. Longman, 1971.