Cellich, C. (2004). Global business negotiationsa practical guide. Thomson South-Western.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCellich, Claude. Global Business Negotiationsa Practical Guide. Thomson South-Western, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCellich, Claude. Global Business Negotiationsa Practical Guide. Thomson South-Western, 2004.
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