Tohutoro APA (7th ed.)

Wilson, S. (1978). Informal groups: An introduction. Prentice-Hall.

Tohutoru Kātū Chicago (17th ed.)

Wilson, Stephen. Informal Groups: An Introduction. New Jersey: Prentice-Hall, 1978.

Tohutoro MLA (9th ed.)

Wilson, Stephen. Informal Groups: An Introduction. Prentice-Hall, 1978.