Risk management in sport and recreation /

Autor Spengler, John O. 1962-, Connaughton, Daniel, 1963-, Pittman, Andrew T., 1945-
Vydáno 2006

Risk management for health/fitness professionals : legal issues and strategies /

Autor Eickhoff-Shemek, JoAnn M., Herbert, David L., Connaughton, Daniel, 1963-
Vydáno 2009