Evans V. Virginio & Dooley J. Jenny. (2006). Upstream Elementary A2: DVD Activity Book. Newbury, Express Publishing, 2006.
Citazione stile Chigago Style (17a edizione)Evans V. Virginio e Dooley J. Jenny. Upstream Elementary A2: DVD Activity Book. Newbury, Express Publishing, 2006, 2006.
Citatione MLA (9a ed.)Evans V. Virginio e Dooley J. Jenny. Upstream Elementary A2: DVD Activity Book. Newbury, Express Publishing, 2006, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.