1. Blau, P. Cooperation and competition in a bureaucracy. American Journal of Sociology, 1954, 59, 530-535.
2. Crombag, H.F. Cooperation and competition in means-interdependent triads. Journal of Personality and Social Psychology, 1966, 4, 692-695.
3. Deutsch, M. A Theory of cooperation and competition. Human Relations, 1949, 2, 129-152. (a)
4. DUnn, RE., and Goldman, M. Competition and noncompetition in relation to satisfaction and feelings tovvard group and nongroup members. Journal of Social PSYCHOLOGY, 1966, 68, 299-311.
5. Fay, A.S. The effects of cooperation and competition on learning and recall, Unpublished master's thesis, George Peabody College, 1970.
6. Forsyth, S., and Kolenda, P.M. Competition, cooperation, and cohesion in the ballet company. Psychiatry, 1966, 29, 123-145.
7. Grossack, M.M. Some effects of cooperation and competition upon small group behavior. Journal of Abnormal and SOC!AL Psychology, 1954, 49, 341-348.
8. Hurlock, E. B. The use of group rivalry as an incentive. Journal of Abnormal and Social Psychology, 1927, 22, 278~2'90.
9. Miller, L.K., and Hamblin, R.L. Interdependence, differential revvarding and productivity. American Sociological Revievv, 1963, 28, 768-778.
10. Sherif, M., Harvey, O.J., White, B. J., Hood. W.E., and Sherif, C.W., Intergroup conflict and cooperation: The Robber's Cave experiment. Norman, Okla: Universlty of Oklahoma Book Exchange, 1961.