Jenkins, H. (1970). Keeping the peace: A Police Chief Looks at His Job. New York: Harper & Row.
Trích dẫn kiểu ChicagoJenkins, Herbert. Keeping the Peace: A Police Chief Looks At His Job. New York: Harper & Row, 1970.
MLA citiranjeJenkins, Herbert. Keeping the Peace: A Police Chief Looks At His Job. New York: Harper & Row, 1970.
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