Doff, A., & Jones, C. (2000). Language in use: Pre-intermediate : teacher's book (New ed.). Cambridge: Cambridge U. P..
Čikaški stil citiranjaDoff, Adrian, i Christopher Jones. Language in Use: Pre-intermediate : Teacher's Book. New ed. Cambridge: Cambridge U. P., 2000.
MLA način citiranjaDoff, Adrian, i Christopher Jones. Language in Use: Pre-intermediate : Teacher's Book. New ed. Cambridge: Cambridge U. P., 2000.
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