APA استشهاد

Lipschutz,Seymour. (1965). Schaum's outline of theory and problems of general topology. McGraw-Hill.

استشهاد بنمط شيكاغو

Lipschutz,Seymour. Schaum's Outline of Theory and Problems of General Topology. Singapore: McGraw-Hill, 1965.

MLA استشهاد

Lipschutz,Seymour. Schaum's Outline of Theory and Problems of General Topology. McGraw-Hill, 1965.