APA (7 वां संस्करण) प्रशस्ति पत्र
Gregson, G. (2014). Financing new ventures: An entrepreneur's guide to business angel investment (First edition.). Business Expert Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Gregson, Geoffrey. Financing New Ventures: An Entrepreneur's Guide to Business Angel Investment. First edition. New York, New York (222 East 46th Street, New York, NY 10017): Business Expert Press, 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Gregson, Geoffrey. Financing New Ventures: An Entrepreneur's Guide to Business Angel Investment. First edition. Business Expert Press, 2014.
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