Evans V. Virginia & Dooley J. Jenny. (2006). Upstream. Intermediate B2: Class CD 5. Newbury, Express Publishing, 2006.
Citazione stile Chigago Style (17a edizione)Evans V. Virginia e Dooley J. Jenny. Upstream. Intermediate B2: Class CD 5. Newbury, Express Publishing, 2006, 2006.
Citatione MLA (9a ed.)Evans V. Virginia e Dooley J. Jenny. Upstream. Intermediate B2: Class CD 5. Newbury, Express Publishing, 2006, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.