SHAPIRO, B. P. (1977). Sales Program Management: Formulation And Implementation. McGraw-Hill Kogakusha, Ltd.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSHAPIRO, Benson P. Sales Program Management: Formulation And Implementation. McGraw-Hill Kogakusha, Ltd, 1977.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSHAPIRO, Benson P. Sales Program Management: Formulation And Implementation. McGraw-Hill Kogakusha, Ltd, 1977.
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