Cook, P. J. (1978). The effect of gun availability on robbery and robbery murder: A cross-section study of 50 cities. Duke Univ., Center for the Study of Justice Policy.
Chicago-Zitierstil (17. Ausg.)Cook, Philip J. The Effect of Gun Availability on Robbery and Robbery Murder: A Cross-section Study of 50 Cities. [Durham]: Duke Univ., Center for the Study of Justice Policy, 1978.
MLA-Zitierstil (8. Ausg.)Cook, Philip J. The Effect of Gun Availability on Robbery and Robbery Murder: A Cross-section Study of 50 Cities. Duke Univ., Center for the Study of Justice Policy, 1978.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.