Eberle, R. A. (1996). Logic and Proof Techniques: Logic and Proof Techniques. Sreedhar Publishers.
Chicago Style (17th ed.) ZitazioaEberle, Rolf A. Logic and Proof Techniques: Logic and Proof Techniques. Calcutta: Sreedhar Publishers, 1996.
MLA (9th ed.) ZitazioaEberle, Rolf A. Logic and Proof Techniques: Logic and Proof Techniques. Sreedhar Publishers, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.