एपीए उद्धरण

Weeks, J. R. (1985). Shape of space: How to visualize surfaces and three-dimensional manifolds.

शिकागो स्टाइल उद्धरण

Weeks, Jeffrey R. Shape of Space: How to Visualize Surfaces and Three-dimensional Manifolds. Marcel Dekker, INC. New York, 1985.

एमएलए उद्धरण

Weeks, Jeffrey R. Shape of Space: How to Visualize Surfaces and Three-dimensional Manifolds. 1985.