APA-referens (7:e uppl.)

Germann, A. C. (1966). Introduction to law enforcement (4th print.). Thomas.

Chicago-referens (17:e uppl.)

Germann, A C. Introduction to Law Enforcement. 4th print. Springfield, Ill: Thomas, 1966.

MLA-referens (9:e uppl.)

Germann, A C. Introduction to Law Enforcement. 4th print. Thomas, 1966.