SIGBAN, N. B. (1986). Communication For Management And Business Norman B. Sigban. Scott,Foresman and company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSIGBAN, Norman B. Communication For Management And Business Norman B. Sigban. Scott,Foresman and company, 1986.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSIGBAN, Norman B. Communication For Management And Business Norman B. Sigban. Scott,Foresman and company, 1986.
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