Dyfyniad APA
Colaizzi, J. (1989). Homicidal insanity, 1800-1985. University of Alabama Press.
Dyfyniad Arddull Chicago
Colaizzi, Janet. Homicidal Insanity, 1800-1985. Tuscaloosa: University of Alabama Press, 1989.
Dyfyniad MLA
Colaizzi, Janet. Homicidal Insanity, 1800-1985. University of Alabama Press, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.