APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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