Eberle, R. A. (1996). Logic and Proof Techniques: Logic and Proof Techniques. Sreedhar Publishers.
Chicago-viite (17. p.)Eberle, Rolf A. Logic and Proof Techniques: Logic and Proof Techniques. Calcutta: Sreedhar Publishers, 1996.
MLA-viite (9. p.)Eberle, Rolf A. Logic and Proof Techniques: Logic and Proof Techniques. Sreedhar Publishers, 1996.
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