Sobel, A., & Panas, J. (2012). Power questions: Build relationships, win new business, and influence others. Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSobel, Andrew, और Jerold Panas. Power Questions: Build Relationships, Win New Business, and Influence Others. Hoboken, N.J.: Wiley, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSobel, Andrew, और Jerold Panas. Power Questions: Build Relationships, Win New Business, and Influence Others. Wiley, 2012.
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