एपीए उद्धरण

Hitchman, M. P. (2009). Geometry with an introduction to cosmic topology. Jones and Bartlett Publishers.

शिकागो स्टाइल उद्धरण

Hitchman, Michael P. Geometry with an Introduction to Cosmic Topology. Sudbury, Mass.: Jones and Bartlett Publishers, 2009.

एमएलए उद्धरण

Hitchman, Michael P. Geometry with an Introduction to Cosmic Topology. Jones and Bartlett Publishers, 2009.