Lipschutz, S. (2005). Schaum's outline of theory and problems of set theory and related topics (2nd ed.). Tata McGraw-Hill.

Lipschutz, Seymour. Schaum's Outline of Theory and Problems of Set Theory and Related Topics. 2nd ed. New York ; New Delhi: Tata McGraw-Hill, 2005.

Lipschutz, Seymour. Schaum's Outline of Theory and Problems of Set Theory and Related Topics. 2nd ed. Tata McGraw-Hill, 2005.