Evans V. Virginia & Dooley J. Jenny. (2010). Upstream. Intermediate B2: Student's Book (8th ed.). Newbury, Express Publishing, 2010.
Čikaški stil citiranja (17. izdanje)Evans V. Virginia i Dooley J. Jenny. Upstream. Intermediate B2: Student's Book. 8th ed. Newbury, Express Publishing, 2010, 2010.
MLA način citiranja (9. izdanje)Evans V. Virginia i Dooley J. Jenny. Upstream. Intermediate B2: Student's Book. 8th ed. Newbury, Express Publishing, 2010, 2010.
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