Lipschutz, S. (1998). Set theory and related topics. McGraw-Hill.
Cita Chicago (17th ed.)Lipschutz, Seymour. Set Theory and Related Topics. New York: McGraw-Hill, 1998.
Cita MLA (9th ed.)Lipschutz, Seymour. Set Theory and Related Topics. McGraw-Hill, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.