Open University, ebrary, Inc, & Swarbrick, A. (1994). Teaching modern languages. Routledge.
Čikaški stil citiranja (17. izdanje)Open University, Inc ebrary, i Ann Swarbrick. Teaching Modern Languages. New York: Routledge, 1994.
MLA način citiranja (9. izdanje)Open University, et al. Teaching Modern Languages. Routledge, 1994.
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