Cita APA (7a ed.)

Donson, C., & Thompson, L. (2000). New teenage english 1.

Cita Chicago Style (17a ed.)

Donson, Cynthia, y Lesley Thompson. New Teenage English 1. Madrid, 2000.

Cita MLA (9a ed.)

Donson, Cynthia, y Lesley Thompson. New Teenage English 1. 2000.