Ventrella, S. W. (2001). The power of positive thinking in business: 10 traits for maximum results. Simon and Schuster.
Cita Chicago (17th ed.)Ventrella, Scott W. The Power of Positive Thinking in Business: 10 Traits for Maximum Results. New York: Simon and Schuster, 2001.
Cita MLA (8th ed.)Ventrella, Scott W. The Power of Positive Thinking in Business: 10 Traits for Maximum Results. Simon and Schuster, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.