Tappan, P. W. (1949). Juvenile delinquency. McGraw-Hill Book Co..
Dyfyniad Arddull ChicagoTappan, Paul W. Juvenile Delinquency. New York: McGraw-Hill Book Co., 1949.
Dyfyniad MLATappan, Paul W. Juvenile Delinquency. McGraw-Hill Book Co., 1949.
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