APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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