De Leon, S. O. (1978). Police intelligence guide. National Book Store.
Chicagoスタイル(17版)引用形式De Leon, Sixto O. Police Intelligence Guide. [Manila]: National Book Store, 1978.
MLA(9版)引用形式De Leon, Sixto O. Police Intelligence Guide. National Book Store, 1978.
警告: この引用は必ずしも正確ではありません.