Germann, A. C. (1966). Introduction to law enforcement (4th print.). Thomas.
芝加哥风格引文Germann, A C. Introduction to Law Enforcement. 4th print. Springfield, Ill: Thomas, 1966.
MLA引文Germann, A C. Introduction to Law Enforcement. 4th print. Thomas, 1966.
警告：这些引文格式不一定是100％准确.