Cita APA (7a ed.)

Burke, K., & Brooks, J. (2000). Wavelenght: Pre-intermediate. Coursebook (1st published.). Longman.

Cita Chicago Style (17a ed.)

Burke, Kathy, y Julia Brooks. Wavelenght: Pre-intermediate. Coursebook. 1st published. Harlow: Longman, 2000.

Cita MLA (9a ed.)

Burke, Kathy, y Julia Brooks. Wavelenght: Pre-intermediate. Coursebook. 1st published. Longman, 2000.