APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (8:e uppl.)

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