Cita APA (7th ed.)

Bright, J. A., & McGregor, G. P. (1970). Teaching english as a second language: Theory and techniques for the secondary stage. Longman.

Cita Chicago (17th ed.)

Bright, J. A., i G. P. McGregor. Teaching English as a Second Language: Theory and Techniques for the Secondary Stage. Essex: Longman, 1970.

Cita MLA (9th ed.)

Bright, J. A., i G. P. McGregor. Teaching English as a Second Language: Theory and Techniques for the Secondary Stage. Longman, 1970.