Thomas, M. E. (1950). Medieval skepticism and Chaucer: An evaluation of the skepticism of the 13th and 14th centuries of Geoffrey Chaucer and his immediate predecessors. William-Frederick Press.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিThomas, Mary Edith. Medieval Skepticism and Chaucer: An Evaluation of the Skepticism of the 13th and 14th Centuries of Geoffrey Chaucer and His Immediate Predecessors. N.Y.: William-Frederick Press, 1950.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিThomas, Mary Edith. Medieval Skepticism and Chaucer: An Evaluation of the Skepticism of the 13th and 14th Centuries of Geoffrey Chaucer and His Immediate Predecessors. William-Frederick Press, 1950.
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