Lipschutz, S. (1981). Schaum's outline of theory and problems of general topology (SI metric ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Lipschutz, Seymour. Schaum's Outline of Theory and Problems of General Topology. SI metric ed. Singapore: McGraw-Hill, 1981.
Lua MLA (9ú heag.)Lipschutz, Seymour. Schaum's Outline of Theory and Problems of General Topology. SI metric ed. McGraw-Hill, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.