O'Neil, J. R. (1997). Leadership aikido: 6 business practices to turn around your life. Harmony Books.
Cita Chicago (17th ed.)O'Neil, John R. Leadership Aikido: 6 Business Practices to Turn Around Your Life. New York: Harmony Books, 1997.
Cita MLA (9th ed.)O'Neil, John R. Leadership Aikido: 6 Business Practices to Turn Around Your Life. Harmony Books, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.