APA-referens (7:e uppl.)

Nicholas, D. (1997). The growth of the medieval city: From late antiquity to the early fourteenth century. Longman.

Chicago-referens (17:e uppl.)

Nicholas, David. The Growth of the Medieval City: From Late Antiquity to the Early Fourteenth Century. London: Longman, 1997.

MLA-referens (9:e uppl.)

Nicholas, David. The Growth of the Medieval City: From Late Antiquity to the Early Fourteenth Century. Longman, 1997.