Cita APA (7a ed.)

Artusi, A., & Manin, G. J. (2006). Engage level 1: Student book.

Cita Chicago Style (17a ed.)

Artusi, Alicia, y Gregory J. Manin. Engage Level 1: Student Book. Oxford, 2006.

Cita MLA (9a ed.)

Artusi, Alicia, y Gregory J. Manin. Engage Level 1: Student Book. 2006.