Georges Frederic Doriot, Udayan Gupta (2004). “The First Venture Capitalist: Georges Doriot on Leadership, Capital, & Business Organization”, p.129, Calgary : Gondolier
Georges Frederic Doriot, Udayan Gupta (2004). “The First Venture Capitalist: Georges Doriot on Leadership, Capital, & Business Organization”, p.73, Calgary : Gondolier