Cloward, R. A., & Ohlin, L. E. (1969). Delinquency and opportunity: A theory of delinquent gangs (5.print.). Free Press.
Cita Chicago Style (17a ed.)Cloward, Richard A., y Lloyd E. Ohlin. Delinquency and Opportunity: A Theory of Delinquent Gangs. 5.print. New York: Free Press, 1969.
Cita MLA (9a ed.)Cloward, Richard A., y Lloyd E. Ohlin. Delinquency and Opportunity: A Theory of Delinquent Gangs. 5.print. Free Press, 1969.
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