Vogel, C. M. (2005). The design of things to comehow ordinary pople create extraordinary productsCraig M. Vogel, Jonathan cagan and Peter Boatwright. Wharton School Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVogel, Craig M. The Design of Things to Comehow Ordinary Pople Create Extraordinary ProductsCraig M. Vogel, Jonathan Cagan and Peter Boatwright. Wharton School Publishing, 2005.
एमएलए (8वां संस्करण) प्रशस्ति पत्रVogel, Craig M. The Design of Things to Comehow Ordinary Pople Create Extraordinary ProductsCraig M. Vogel, Jonathan Cagan and Peter Boatwright. Wharton School Publishing, 2005.
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