Burkus, D. (2018). Friend of a friend...: Understanding the hidden networks that can transform your life and your career. Houghton Mifflin Harcourt.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBurkus, David. Friend of a Friend...: Understanding the Hidden Networks That Can Transform Your Life and Your Career. Boston: Houghton Mifflin Harcourt, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBurkus, David. Friend of a Friend...: Understanding the Hidden Networks That Can Transform Your Life and Your Career. Houghton Mifflin Harcourt, 2018.
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