APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.