Cohn, A. H. (1976). Crime and justice administration. Lippincott Company.
Dyfyniad Arddull ChicagoCohn, Alwin H. Crime and Justice Administration. New York: Lippincott Company, 1976.
Dyfyniad MLACohn, Alwin H. Crime and Justice Administration. Lippincott Company, 1976.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.