BROWN, H. D. (1993). Principles of language learning and teaching.-- Ed.3. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)BROWN, H. Douglas. Principles of Language Learning and Teaching.-- Ed.3. New Jersey: Prentice Hall, 1993.
Lua MLA (9ú heag.)BROWN, H. Douglas. Principles of Language Learning and Teaching.-- Ed.3. Prentice Hall, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.