Evans V. Virginia & Dooley J. Jenny. (2006). Upstream. Intermediate B2: Class CD 2. Newbury, Express Publishing, 2006.
Čikaški stil citiranja (17. izdanje)Evans V. Virginia i Dooley J. Jenny. Upstream. Intermediate B2: Class CD 2. Newbury, Express Publishing, 2006, 2006.
MLA način citiranja (9. izdanje)Evans V. Virginia i Dooley J. Jenny. Upstream. Intermediate B2: Class CD 2. Newbury, Express Publishing, 2006, 2006.
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