Não informado. (1975). Sales and Marketing Management. Sales and Marketing Management.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Sales and Marketing Management. New York: Sales and Marketing Management, 1975.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Sales and Marketing Management. Sales and Marketing Management, 1975.
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