Cope, R. G., & Hannah, W. (1975). Revolving college doors: The causes and consequences of dropping out, stopping out, and transferring. Wiley.
Citace podle Chicago (17th ed.)Cope, Robert G., a William Hannah. Revolving College Doors: The Causes and Consequences of Dropping Out, Stopping Out, and Transferring. New York: Wiley, 1975.
Citace podle MLA (8th ed.)Cope, Robert G., a William Hannah. Revolving College Doors: The Causes and Consequences of Dropping Out, Stopping Out, and Transferring. Wiley, 1975.
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