APA-čujuhus (7. p.)
Sung, H. (2002). The fragmentation of policing in American cities: Toward an ecological theory of police-citizen relations. Praeger.
Chicago-čujuhus (17. p.)
Sung, Hung-En. The Fragmentation of Policing in American Cities: Toward an Ecological Theory of Police-citizen Relations. Westport, Conn.: Praeger, 2002.
MLA-čujuhus (9. p.)
Sung, Hung-En. The Fragmentation of Policing in American Cities: Toward an Ecological Theory of Police-citizen Relations. Praeger, 2002.
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