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Dyfyniad Arddull ChicagoJacobs, Maryce M. Vitamins and Minerals in the Prevention and Treatment of Cancer. Boca Raton, FL: CRC Press, 1991.
Dyfyniad MLAJacobs, Maryce M. Vitamins and Minerals in the Prevention and Treatment of Cancer. CRC Press, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.