Franks, B. D., & Howley, E. T. (1998). Fitness leader's handbook (2nd ed.). Human Kinetics.
Dyfyniad Arddull ChicagoFranks, B. Don, and Edward T. Howley. Fitness Leader's Handbook. 2nd ed. Champaign, Ill: Human Kinetics, 1998.
Dyfyniad MLAFranks, B. Don, and Edward T. Howley. Fitness Leader's Handbook. 2nd ed. Human Kinetics, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.