APA-referens (7:e uppl.)

Tressler, J. C. (1935). English in action: Course one-[four.] (Rev. ed.). D.C. Heath and Co.

Chicago-referens (17:e uppl.)

Tressler, Jacob C. English in Action: Course One-[four.]. Rev. ed. Boston: D.C. Heath and Co, 1935.

MLA-referens (8:e uppl.)

Tressler, Jacob C. English in Action: Course One-[four.]. Rev. ed. D.C. Heath and Co, 1935.