Campbell, S. L. (2014). Safety and service: A retirement community's response to volunteer policing leadership.
Chicago-Zitierstil (17. Ausg.)Campbell, Suzanne L. Safety and Service: A Retirement Community's Response to Volunteer Policing Leadership. 2014.
MLA-Zitierstil (8. Ausg.)Campbell, Suzanne L. Safety and Service: A Retirement Community's Response to Volunteer Policing Leadership. 2014.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.