Citazione Stile APA (7a Edizione)

Brown, H. D. (1994). Principles of language learning and teaching (3rd ed.). Prentice Hall.

Citazione stile Chigago Style (17a edizione)

Brown, H. Douglas. Principles of Language Learning and Teaching. 3rd ed. New Jersey: Prentice Hall, 1994.

Citatione MLA (9a ed.)

Brown, H. Douglas. Principles of Language Learning and Teaching. 3rd ed. Prentice Hall, 1994.