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Dyfyniad Arddull ChicagoJones, C. Jessie, and Debra J. Rose. Physical Activity Instruction of Older Adults. Champaign, IL: Human Kinetics, 2005.
Dyfyniad MLAJones, C. Jessie, and Debra J. Rose. Physical Activity Instruction of Older Adults. Human Kinetics, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.