Lewis, C. I. (1960). A survey of symbolic logic. Dover Pub.
Cita Chicago (17th ed.)Lewis, Clarence Irving. A Survey of Symbolic Logic. New York: Dover Pub, 1960.
Cita MLA (9th ed.)Lewis, Clarence Irving. A Survey of Symbolic Logic. Dover Pub, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.