Dyfyniad APA

Sharkey, B. J. (1990). Physiology of fitness (3rd ed.). Human Kinetics.

Dyfyniad Arddull Chicago

Sharkey, Brian J. Physiology of Fitness. 3rd ed. Champaign, Ill: Human Kinetics, 1990.

Dyfyniad MLA

Sharkey, Brian J. Physiology of Fitness. 3rd ed. Human Kinetics, 1990.

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