Cita APA (7a ed.)

Benson, P., & Voller, P. (1997). Autonomy and independence in language learning. Longman.

Cita Chicago Style (17a ed.)

Benson, Phil, y Peter Voller. Autonomy and Independence in Language Learning. New York: Longman, 1997.

Cita MLA (8a ed.)

Benson, Phil, y Peter Voller. Autonomy and Independence in Language Learning. Longman, 1997.