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Dyfyniad Arddull ChicagoPHILOSOPHY and E.D KLEMKE. Philosophy: The Basic Issuses.-- Ed.2. New York: ST. Martin's Press, 1986.
Dyfyniad MLAPHILOSOPHY and E.D KLEMKE. Philosophy: The Basic Issuses.-- Ed.2. ST. Martin's Press, 1986.
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