एपीए उद्धरण

Preuss, G. (1988). Theory of topological structures: An approach to categorical topology. D. Reidel Pub. Co..

शिकागो स्टाइल उद्धरण

Preuss, Gerhard. Theory of Topological Structures: An Approach to Categorical Topology. Dordrecht: D. Reidel Pub. Co., 1988.

एमएलए उद्धरण

Preuss, Gerhard. Theory of Topological Structures: An Approach to Categorical Topology. D. Reidel Pub. Co., 1988.