Cita APA

BROWN, H. D. (1993). Principles of language learning and teaching.-- Ed.3. Prentice Hall.

Citación estilo Chicago

BROWN, H. Douglas. Principles of Language Learning and Teaching.-- Ed.3. New Jersey: Prentice Hall, 1993.

Cita MLA

BROWN, H. Douglas. Principles of Language Learning and Teaching.-- Ed.3. Prentice Hall, 1993.