APA (7 वां संस्करण) प्रशस्ति पत्र
Fisk, C. L. (2009). Working knowledge: Employee innovation and the rise of corporate intellectual property, 1800-1930. University of North Carolina Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Fisk, Catherine L. Working Knowledge: Employee Innovation and the Rise of Corporate Intellectual Property, 1800-1930. Chapel Hill: University of North Carolina Press, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Fisk, Catherine L. Working Knowledge: Employee Innovation and the Rise of Corporate Intellectual Property, 1800-1930. University of North Carolina Press, 2009.
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