Wrobleski, H. M. (2003). Introduction to law enforcement and criminal justiceHenry M. Wrobleski, Karen M. Hess. Thomson Learning.
Lua i Stíl Chicago (17ú heag.)Wrobleski, Henry M. Introduction to Law Enforcement and Criminal JusticeHenry M. Wrobleski, Karen M. Hess. Thomson Learning, 2003.
Lua MLA (8ú heag.)Wrobleski, Henry M. Introduction to Law Enforcement and Criminal JusticeHenry M. Wrobleski, Karen M. Hess. Thomson Learning, 2003.
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