Introduction to logic :
propositional logic /
Howard Pospesel ; with an appendix on metatheory by William G. Lycan.
APA Citation
Pospesel, H., Lycan, W. G. (1998). Introduction to logic: propositional logic. 3rd ed. Upper Saddle River, N.J.: Prentice Hall.
MLA Citation
Pospesel, Howard, 1937-, and William G Lycan. Introduction to Logic: Propositional Logic. 3rd ed. Upper Saddle River, N.J.: Prentice Hall, 1998.
Warning: These citations may not always be complete (especially for serials).