(1991). Columbo: Caution : murder can be hazardous to your health. s.n.
Lua i Stíl Chicago (17ú heag.)Columbo: Caution : Murder Can Be Hazardous to Your Health. [United States: s.n, 1991.
Lua MLA (9ú heag.)Columbo: Caution : Murder Can Be Hazardous to Your Health. s.n, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.