Quine, W. V. O. (1967). Methods of logic. Holt, Rinehart and Winston.
Cita Chicago (17th ed.)Quine, Willard Van Orman. Methods of Logic. Nueva York: Holt, Rinehart and Winston, 1967.
Cita MLA (9th ed.)Quine, Willard Van Orman. Methods of Logic. Holt, Rinehart and Winston, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.