APA (7th ed.) Zitazioa

Burke, K., & Brooks, J. (2000). Wavelength: Pre-intermediate coursebook. Pearson Education.

Chicago Style (17th ed.) Zitazioa

Burke, Kathy, eta Julia Brooks. Wavelength: Pre-intermediate Coursebook. Essex: Pearson Education, 2000.

MLA (9th ed.) Zitazioa

Burke, Kathy, eta Julia Brooks. Wavelength: Pre-intermediate Coursebook. Pearson Education, 2000.