American College of Sports Medicine. (1991). Guidelines for exercise testing and prescription (4th ed.). Lea & Febiger.
Chicago Style aipamenaAmerican College of Sports Medicine. Guidelines for Exercise Testing and Prescription. 4th ed. Philadelphia: Lea & Febiger, 1991.
MLA aipamenaAmerican College of Sports Medicine. Guidelines for Exercise Testing and Prescription. 4th ed. Lea & Febiger, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.