Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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