Germann, A. (1971). Introduction to law enforcement and criminal justice. Charles Thomas Publ.
Lua i Stíl Chicago (17ú heag.)Germann, A.C. Introduction to Law Enforcement and Criminal Justice. Charles Thomas Publ, 1971.
Lua MLA (8ú heag.)Germann, A.C. Introduction to Law Enforcement and Criminal Justice. Charles Thomas Publ, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.