Cita APA (7th ed.)

BROWN, H. D. (2000). Principles of language and teaching.-- ed.4. Addison Wesley Longman.

Cita Chicago (17th ed.)

BROWN, H. Douglas. Principles of Language and Teaching.-- Ed.4. New York: Addison Wesley Longman, 2000.

Cita MLA (9th ed.)

BROWN, H. Douglas. Principles of Language and Teaching.-- Ed.4. Addison Wesley Longman, 2000.