Dyfyniad APA

Williamson, M. A. 1. (1929). The social worker in a group. Harper.

Dyfyniad Arddull Chicago

Williamson, Margaretta A. 1891. The Social Worker in a Group. New York: Harper, 1929.

Dyfyniad MLA

Williamson, Margaretta A. 1891. The Social Worker in a Group. Harper, 1929.

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