Causey, R. L. (2010). Logic, sets, and recursion (2nd ed.). Jones and Bartlett Publishers.
Παραπομπή Chicago StyleCausey, Robert L. Logic, Sets, and Recursion. 2nd ed. New Delhi.: Jones and Bartlett Publishers, 2010.
Παραπομπή MLACausey, Robert L. Logic, Sets, and Recursion. 2nd ed. Jones and Bartlett Publishers, 2010.
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