18: Reference Groups: Anchor Groups for the Person's Ego-Involvements
edited by Wayne G. Holtzman and Gardner Murphy, 1895-1979; with Carolyn Wood Sherif, 1922-1982 and Muzafer Sherif, 1906-1988; in Social Psychology (New York, NY: Harper & Row, 1969, originally published 1948), 417-437
