Não informado. (1953). Scandinavian economic history review. Scandinavian Society for Economic and Social Historical Geography.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Scandinavian Economic History Review. Jyvaskyla, Finlândia: Scandinavian Society for Economic and Social Historical Geography, 1953.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Scandinavian Economic History Review. Scandinavian Society for Economic and Social Historical Geography, 1953.
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