Leff, G. (1967). Heresy in the later Middle Ages: The relation of heterodoxy to dissent, c. 1250-c. 1450. Manchester UIK : New York: Manchester University Press; Barnes & Noble.
Чикагска система за цитиранеLeff, Gordon. Heresy in the Later Middle Ages: The Relation of Heterodoxy to Dissent, C. 1250-c. 1450. Manchester UIK : New York: Manchester University Press; Barnes & Noble, 1967.
MLA формат за цитиранеLeff, Gordon. Heresy in the Later Middle Ages: The Relation of Heterodoxy to Dissent, C. 1250-c. 1450. Manchester UIK : New York: Manchester University Press; Barnes & Noble, 1967.
Внимание: Тези цитати може да не са 100% точни.