APA-referens (7:e uppl.)

Walker, M. (1992). Addison-Wesley ESL: Student Book E (1a. ed.). Addison-Wesley.

Chicago-referens (17:e uppl.)

Walker, Michael. Addison-Wesley ESL: Student Book E. 1a. ed. New York: Addison-Wesley, 1992.

MLA-referens (9:e uppl.)

Walker, Michael. Addison-Wesley ESL: Student Book E. 1a. ed. Addison-Wesley, 1992.