Ketterman, T. (1978). Police crisis intervention: A selected bibliography. National Criminal Justice Reference Service.
Cita Chicago Style (17a ed.)Ketterman, Thomas. Police Crisis Intervention: A Selected Bibliography. Rockville, Md: National Criminal Justice Reference Service, 1978.
Cita MLA (9a ed.)Ketterman, Thomas. Police Crisis Intervention: A Selected Bibliography. National Criminal Justice Reference Service, 1978.
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