Evans V. Virginia & Dooley J. Jenny. (2011). Upstream. Intermediate B2: Workbook Student's (4th ed.). Newbury, Express Publishing, 2011.
Citace podle Chicago (17th ed.)Evans V. Virginia a Dooley J. Jenny. Upstream. Intermediate B2: Workbook Student's. 4th ed. Newbury, Express Publishing, 2011, 2011.
Citace podle MLA (9th ed.)Evans V. Virginia a Dooley J. Jenny. Upstream. Intermediate B2: Workbook Student's. 4th ed. Newbury, Express Publishing, 2011, 2011.
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