Παραπομπή APA

Lipschutz, S. (1981). Schaum's outline of theory and problems of general topology.

Παραπομπή Chicago Style

Lipschutz, Seymour. Schaum's Outline of Theory and Problems of General Topology. McGraw-Hill Book Co., Singapore, 1981.

Παραπομπή MLA

Lipschutz, Seymour. Schaum's Outline of Theory and Problems of General Topology. 1981.