Postan, M. M. (1972). The medieval economy and society: An economic history of Britain in the Middle Ages. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Postan, M. M. The Medieval Economy and Society: An Economic History of Britain in the Middle Ages. London: Penguin Books, 1972.
Lua MLA (8ú heag.)Postan, M. M. The Medieval Economy and Society: An Economic History of Britain in the Middle Ages. Penguin Books, 1972.
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