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Dyfyniad Arddull ChicagoPawlowski, Tadeusz. Concept Formation in the Humanities and the Social Sciences. Dordrecht, Holland: D. Reidel, 1980.
Dyfyniad MLAPawlowski, Tadeusz. Concept Formation in the Humanities and the Social Sciences. D. Reidel, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.