Cita APA (7a ed.)

Evans V. Virginia & Dooley J. Jenny. (2007). Upstream Beginner A1+: DVD Activity book (2-ed.). Newbury, Express Publishing, 2007.

Cita Chicago Style (17a ed.)

Evans V. Virginia y Dooley J. Jenny. Upstream Beginner A1+: DVD Activity Book. 2-ed. Newbury, Express Publishing, 2007, 2007.

Cita MLA (9a ed.)

Evans V. Virginia y Dooley J. Jenny. Upstream Beginner A1+: DVD Activity Book. 2-ed. Newbury, Express Publishing, 2007, 2007.