Thompson, J. W. (1928). Economic and social history of the Middle Ages: (300-1300). The Century Co.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিThompson, James Westfall. Economic and Social History of the Middle Ages: (300-1300). New York, London: The Century Co, 1928.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিThompson, James Westfall. Economic and Social History of the Middle Ages: (300-1300). The Century Co, 1928.