Cita APA (7th ed.)
Gordon, J. (2017). The Power of Positive Leadership. John Wiley & Sons.
Cita Chicago (17th ed.)
Gordon, Jon. The Power of Positive Leadership. New Jersey: John Wiley & Sons, 2017.
Cita MLA (9th ed.)
Gordon, Jon. The Power of Positive Leadership. John Wiley & Sons, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.