APA-referens (7:e uppl.)

Thompson, J. W. (1928). Economic and social history of the Middle Ages: (300-1300). The Century Co.

Chicago-referens (17:e uppl.)

Thompson, James Westfall. Economic and Social History of the Middle Ages: (300-1300). New York, London: The Century Co, 1928.

MLA-referens (9:e uppl.)

Thompson, James Westfall. Economic and Social History of the Middle Ages: (300-1300). The Century Co, 1928.