APA-viite

Postan, M. M. (1972). Medieval Economy and Society: Economic History of Britain in the Middle Ages. Weidenfeld and Nicolson.

Chicago-tyylinen lähdeviittaus

Postan, M M. Medieval Economy and Society: Economic History of Britain in the Middle Ages. London: Weidenfeld and Nicolson, 1972.

MLA-viite

Postan, M M. Medieval Economy and Society: Economic History of Britain in the Middle Ages. Weidenfeld and Nicolson, 1972.