KEEENE, S. C. (1968). Mathematical logic. John Wilwy.
Cita Chicago (17th ed.)KEEENE, Stephen Cole. Mathematical Logic. New York: John Wilwy, 1968.
Cita MLA (9th ed.)KEEENE, Stephen Cole. Mathematical Logic. John Wilwy, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.