APA-referens (7:e uppl.)

Diedrich, R. C., & Dye, H. (1972). Group procedures: Purposes, processes, and outcomes. Houghton Mifflin.

Chicago-referens (17:e uppl.)

Diedrich, Richard C., och H.Allan Dye. Group Procedures: Purposes, Processes, and Outcomes. Boston: Houghton Mifflin, 1972.

MLA-referens (9:e uppl.)

Diedrich, Richard C., och H.Allan Dye. Group Procedures: Purposes, Processes, and Outcomes. Houghton Mifflin, 1972.