Cita APA (7th ed.)

Brown, H. D. (2000). Principles of language learning and teaching (4a. ed.). Addison Wesley Longman.

Cita Chicago (17th ed.)

Brown, H. Douglas. Principles of Language Learning and Teaching. 4a. ed. Nueva York: Addison Wesley Longman, 2000.

Cita MLA (9th ed.)

Brown, H. Douglas. Principles of Language Learning and Teaching. 4a. ed. Addison Wesley Longman, 2000.