Pence, G. (2000). A Dictionary of common philosophical terms. McGraw-Hill.
Dyfyniad Arddull ChicagoPence, Gregory. A Dictionary of Common Philosophical Terms. New York: McGraw-Hill, 2000.
Dyfyniad MLAPence, Gregory. A Dictionary of Common Philosophical Terms. McGraw-Hill, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.