Barlow, H. D. (1984). Introduction to criminology (3rd ed.). Little, Brown.
Lua i Stíl Chicago (17ú heag.)Barlow, Hugh D. Introduction to Criminology. 3rd ed. Boston: Little, Brown, 1984.
Lua MLA (9ú heag.)Barlow, Hugh D. Introduction to Criminology. 3rd ed. Little, Brown, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.