APA-referens (7:e uppl.)

Brown, H. D., & Lee, H. (2015). Teaching by principles: An interactive approach to language pedagogy (Fourth edition.). Pearson Education.

Chicago-referens (17:e uppl.)

Brown, H. Douglas, och Heekyeong Lee. Teaching by Principles: An Interactive Approach to Language Pedagogy. Fourth edition. White Plains, NY: Pearson Education, 2015.

MLA-referens (8:e uppl.)

Brown, H. Douglas, och Heekyeong Lee. Teaching by Principles: An Interactive Approach to Language Pedagogy. Fourth edition. Pearson Education, 2015.