Cita APA (7th ed.)
Lipschutz, S. Set Theory and Related Topics: Theory and Problems. McGraw-Hill.
Cita Chicago (17th ed.)
Lipschutz, Seymour. Set Theory and Related Topics: Theory and Problems. Nueva York, EUA: McGraw-Hill.
Cita MLA (9th ed.)
Lipschutz, Seymour. Set Theory and Related Topics: Theory and Problems. McGraw-Hill.
Atenció: Aquestes cites poden no estar 100% correctes.