American College of Sports Medicine. (1991). Guidelines for exercise testing and prescription (4th ed.). Lea & Febiger.
Cita Chicago (17th ed.)American College of Sports Medicine. Guidelines for Exercise Testing and Prescription. 4th ed. Philadelphia: Lea & Febiger, 1991.
Cita MLA (9th ed.)American College of Sports Medicine. Guidelines for Exercise Testing and Prescription. 4th ed. Lea & Febiger, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.