Coleman, K. (2019). The proximity principle: The proven strategy that will lead to the career you love. Ramsey Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रColeman, Ken. The Proximity Principle: The Proven Strategy That Will Lead to the Career You Love. Brentwood, Tennessee: Ramsey Press, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रColeman, Ken. The Proximity Principle: The Proven Strategy That Will Lead to the Career You Love. Ramsey Press, 2019.
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