APA-referens (7:e uppl.)

Grenfell, M., & Harris, V. (1999). Modern languages and learning strategies: In theory and practice. Routledge.

Chicago-referens (17:e uppl.)

Grenfell, Michael, och Vee Harris. Modern Languages and Learning Strategies: In Theory and Practice. London ; New York: Routledge, 1999.

MLA-referens (9:e uppl.)

Grenfell, Michael, och Vee Harris. Modern Languages and Learning Strategies: In Theory and Practice. Routledge, 1999.