APA استشهاد

German, A. C. D. (1962). Introduction to law enforcement. Charles C. Thomas.

استشهاد بنمط شيكاغو

German, A. C Day. Introduction to Law Enforcement. USA: Charles C. Thomas, 1962.

MLA استشهاد

German, A. C Day. Introduction to Law Enforcement. Charles C. Thomas, 1962.