APA استشهاد

Schwartz, J. T. (1968). Differential geometry and Topology. Gordon and Breach.

استشهاد بنمط شيكاغو

Schwartz, Jacob T. Differential Geometry and Topology. New York: Gordon and Breach, 1968.

MLA استشهاد

Schwartz, Jacob T. Differential Geometry and Topology. Gordon and Breach, 1968.