APA (7e ed.) Bronvermelding

Hitchman, M. P. (2020). Geometry with an Introduction to Cosmic Topology. Michael P. Hitchman.

Chicago (17e ed.) Bronvermelding

Hitchman, Michael P. Geometry with an Introduction to Cosmic Topology. Department of Mathematics, McMinnville, Oregon: Michael P. Hitchman, 2020.

MLA (9e ed.) Bronvermelding

Hitchman, Michael P. Geometry with an Introduction to Cosmic Topology. Michael P. Hitchman, 2020.