Priest, S., & Gass, M. A. (2005). Effective leadership in adventure programming (2nd ed.). Human Kinetics.
Cita Chicago (17th ed.)Priest, Simon, i Michael A. Gass. Effective Leadership in Adventure Programming. 2nd ed. Champaign, Ill: Human Kinetics, 2005.
Cita MLA (9th ed.)Priest, Simon, i Michael A. Gass. Effective Leadership in Adventure Programming. 2nd ed. Human Kinetics, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.