Brown, H. D. (2000). Principles of language learning and teaching (4a. ed.). Addison Wesley Longman.
Chicago Style (17th ed.) ZitazioaBrown, H. Douglas. Principles of Language Learning and Teaching. 4a. ed. Nueva York: Addison Wesley Longman, 2000.
MLA (9th ed.) ZitazioaBrown, H. Douglas. Principles of Language Learning and Teaching. 4a. ed. Addison Wesley Longman, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.