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Dyfyniad Arddull ChicagoScheffler, Israel. Science and Subjectivity. 2nd ed. Indianapolis: Hackett Pub, 1982.
Dyfyniad MLAScheffler, Israel. Science and Subjectivity. 2nd ed. Hackett Pub, 1982.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.