Murray, A. (1972). Piety and impiety in thirteenth-century italy. Studies in church history, 8, 83-106. doi:10.1017/S0424208400005453
Citazione stile Chigago Style (17a edizione)Murray, Alexander. "Piety and Impiety in Thirteenth-century Italy." Studies in Church History 8 (1972): 83-106, https://doi.org/10.1017/S0424208400005453.
Citatione MLA (9a ed.)Murray, Alexander. "Piety and Impiety in Thirteenth-century Italy." Studies in Church History, vol. 8, 1972, pp. 83-106, https://doi.org/10.1017/S0424208400005453.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.
