Leonard, V. A. (1969). The police enterprise: Its organization and management. Thomas.
Chicagoスタイル(17版)引用形式Leonard, V. A. The Police Enterprise: Its Organization and Management. Springfield, Ill: Thomas, 1969.
MLA(9版)引用形式Leonard, V. A. The Police Enterprise: Its Organization and Management. Thomas, 1969.
警告: この引用は必ずしも正確ではありません.