Παραπομπή APA

Lipschutz, S. (1987). Theory and problems of general topology. McGraw-Hill.

Παραπομπή Chicago Style

Lipschutz, Seymour. Theory and Problems of General Topology. New York: McGraw-Hill, 1987.

Παραπομπή MLA

Lipschutz, Seymour. Theory and Problems of General Topology. McGraw-Hill, 1987.