Dyfyniad APA

American College of Sports Medicine. (1991). Guidelines for exercise testing and prescription (4th ed.). Lea & Febiger.

Dyfyniad Arddull Chicago

American College of Sports Medicine. Guidelines for Exercise Testing and Prescription. 4th ed. Philadelphia: Lea & Febiger, 1991.

Dyfyniad MLA

American College of Sports Medicine. Guidelines for Exercise Testing and Prescription. 4th ed. Lea & Febiger, 1991.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.