Cita APA (7th ed.)
Ray, M. L. (2004). The highest goal: The secret that sustains you in every moment. Berrett-Koehler.
Cita Chicago (17th ed.)
Ray, Michael L. The Highest Goal: The Secret That Sustains You in Every Moment. San Francisco, CA: Berrett-Koehler, 2004.
Cita MLA (9th ed.)
Ray, Michael L. The Highest Goal: The Secret That Sustains You in Every Moment. Berrett-Koehler, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.