Phelps, E. S. Wanted: A first national bank of innovation. Harvard Business Review.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhelps, Edmund S. "Wanted: A First National Bank of Innovation." Harvard Business Review .
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhelps, Edmund S. "Wanted: A First National Bank of Innovation." Harvard Business Review, .
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