Hoeger, W. W. K., & Hoeger, S. A. (1997). Principles and labs for physical fitness (4rd ed.). Englewood, Colorado: Morton Publishing Company.
Dyfyniad Arddull ChicagoHoeger, Werner W. K., và Sharon A. Hoeger. Principles and Labs for Physical Fitness. 4rd ed. Englewood, Colorado: Morton Publishing Company, 1997.
Dyfyniad MLAHoeger, Werner W. K., và Sharon A. Hoeger. Principles and Labs for Physical Fitness. 4rd ed. Englewood, Colorado: Morton Publishing Company, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.