CYR, N. M. (2003). Health promotion, disease prevention, and exercise epidemiology. University Press of America.
Cita Chicago (17th ed.)CYR, Nellie M. Health Promotion, Disease Prevention, and Exercise Epidemiology. Maryland: University Press of America, 2003.
Cita MLA (8th ed.)CYR, Nellie M. Health Promotion, Disease Prevention, and Exercise Epidemiology. University Press of America, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.