Leff, G. (2002). Heresy, philosophy and religion in the medieval West. Variorum collected studies series.
Citazione stile Chigago Style (17a edizione)Leff, Gordon. "Heresy, Philosophy and Religion in the Medieval West." Variorum Collected Studies Series 2002.
Citatione MLA (9a ed.)Leff, Gordon. "Heresy, Philosophy and Religion in the Medieval West." Variorum Collected Studies Series, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.
