APA-referens (7:e uppl.)

Brown, H. D. (2007). Principles of language learning and teaching (5th ed.). Pearson Longman.

Chicago-referens (17:e uppl.)

Brown, H. Douglas. Principles of Language Learning and Teaching. 5th ed. White Plains, NY: Pearson Longman, 2007.

MLA-referens (8:e uppl.)

Brown, H. Douglas. Principles of Language Learning and Teaching. 5th ed. Pearson Longman, 2007.