Japp, K. P. (1991). Preventive planning - a strategy with loss of purpose. Social prevention and the social sciences, 81-94.
Chicago-Zitierstil (17. Ausg.)Japp, Klaus Peter. "Preventive Planning - a Strategy with Loss of Purpose." Social Prevention and the Social Sciences 1991: 81-94.
MLA-Zitierstil (9. Ausg.)Japp, Klaus Peter. "Preventive Planning - a Strategy with Loss of Purpose." Social Prevention and the Social Sciences, 1991, pp. 81-94.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.