Gevirtz, D. (1984). The new entrepreneurs: Innovation in American business. New York: Penguin Books.
Dyfyniad Arddull ChicagoGevirtz, Don. The New Entrepreneurs: Innovation in American Business. New York: Penguin Books, 1984.
Dyfyniad MLAGevirtz, Don. The New Entrepreneurs: Innovation in American Business. New York: Penguin Books, 1984.
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