Journal of Abnormal & Social Psychology · 1963 · 390 citations · 6 references
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The Norm of Reciprocity: A Preliminary Statement
Alvin W. Gouldner · American Sociological Review · 1960 · 11.8K citations
Social Behavior: Its Elementary Forms
Edwin P. Hollander, George C. Homans · The American Journal of Psychology · 1963 · 4.7K citations