APA (7e ed.) Bronvermelding

Tappan, P. W. (1949). Juvenile delinquency. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Tappan, Paul Wilbur. Juvenile Delinquency. New York: McGraw-Hill, 1949.

MLA (9e ed.) Bronvermelding

Tappan, Paul Wilbur. Juvenile Delinquency. McGraw-Hill, 1949.