Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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