APA (7e ed.) Bronvermelding

HAGAN, F. E. (1997). Research methods in criminal justice and criminology. Allyn and Bacon.

Chicago (17e ed.) Bronvermelding

HAGAN, Frank E. Research Methods in Criminal Justice and Criminology. Boston: Allyn and Bacon, 1997.

MLA (9e ed.) Bronvermelding

HAGAN, Frank E. Research Methods in Criminal Justice and Criminology. Allyn and Bacon, 1997.

Let op: Deze citaties zijn niet altijd 100% accuraat.