American Management Association & Marting, E. (1959). Reporting sales data effectively ; the AMA book of sales forms. AMA.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Management Association और Elizabeth Marting. Reporting Sales Data Effectively ; the AMA Book of Sales Forms. New York: AMA, 1959.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAmerican Management Association और Elizabeth Marting. Reporting Sales Data Effectively ; the AMA Book of Sales Forms. AMA, 1959.
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