Pleij, H., & Webb, D. (2004). Colors demonic and divine: Shades of meaning in the Middle Ages and after / Herman Pleij ; translated by Diane Webb. Columbia University Press.
Lua i Stíl Chicago (17ú heag.)Pleij, Herman, agus Diane Webb. Colors Demonic and Divine: Shades of Meaning in the Middle Ages and After / Herman Pleij ; Translated by Diane Webb. New York: Columbia University Press, 2004.
Lua MLA (8ú heag.)Pleij, Herman, agus Diane Webb. Colors Demonic and Divine: Shades of Meaning in the Middle Ages and After / Herman Pleij ; Translated by Diane Webb. Columbia University Press, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.