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Dyfyniad Arddull ChicagoMcClelland, David C...[et al.]. Talent and Society: New Perspectives in the Identification of Talent. London: D Van Nostrand company, 1958.
Dyfyniad MLAMcClelland, David C...[et al.]. Talent and Society: New Perspectives in the Identification of Talent. D Van Nostrand company, 1958.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.