Cita APA (7a ed.)

Bright, J., & McGregor, G. (1971). Teaching English as a second language: Theory and techniques for the secondary stage (New impression.). Longman.

Cita Chicago Style (17a ed.)

Bright, J.A, y G.P McGregor. Teaching English as a Second Language: Theory and Techniques for the Secondary Stage. New impression. London: Longman, 1971.

Cita MLA (9a ed.)

Bright, J.A, y G.P McGregor. Teaching English as a Second Language: Theory and Techniques for the Secondary Stage. New impression. Longman, 1971.