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Dyfyniad Arddull ChicagoHermoso, Christina I. "Exercise - Important Factor in Mid-years." Manila Bulletin 1997.
Dyfyniad MLAHermoso, Christina I. "Exercise - Important Factor in Mid-years." Manila Bulletin, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.