Ritter, B. J. (1988). Multiple murderers: The characteristics of the persons and the nature of their crimes. Univ. Microfilms International.
Chicago-Zitierstil (17. Ausg.)Ritter, Barrie J. Multiple Murderers: The Characteristics of the Persons and the Nature of Their Crimes. Ann Arbor, Mich: Univ. Microfilms International, 1988.
MLA-Zitierstil (9. Ausg.)Ritter, Barrie J. Multiple Murderers: The Characteristics of the Persons and the Nature of Their Crimes. Univ. Microfilms International, 1988.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.