APA-viite (7. p.)
Wilson, G., & Ryland, G. (1949). Social group work practice: The creative use of the social process. Houghton.
Chicago-viite (17. p.)
Wilson, Gertrude, ja Gladys Ryland. Social Group Work Practice: The Creative Use of the Social Process. Boston: Houghton, 1949.
MLA-viite (9. p.)
Wilson, Gertrude, ja Gladys Ryland. Social Group Work Practice: The Creative Use of the Social Process. Houghton, 1949.
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