Evans V. Virginia & Dooley J. Jenny. (2010). Enterprise 1. Beginner. Coursebook: Class CDs. Newbury, Express Publishing, 2010.
Cita Chicago (17th ed.)Evans V. Virginia i Dooley J. Jenny. Enterprise 1. Beginner. Coursebook: Class CDs. Newbury, Express Publishing, 2010, 2010.
Cita MLA (9th ed.)Evans V. Virginia i Dooley J. Jenny. Enterprise 1. Beginner. Coursebook: Class CDs. Newbury, Express Publishing, 2010, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.