Steel, K. (2011). How to Make a Human: Animals and Violence in the Middle Ages. Ohio State University Press.
Lua i Stíl Chicago (17ú heag.)Steel, Karl. How to Make a Human: Animals and Violence in the Middle Ages. Columbus: Ohio State University Press, 2011.
Lua MLA (9ú heag.)Steel, Karl. How to Make a Human: Animals and Violence in the Middle Ages. Ohio State University Press, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.