APA-referens

Gorini,, C. A. (2005). Facts on File: Geometry Handbook (1.). Checkmark Books.

Chicago-stil citat

Gorini,, Catherine A. Facts on File: Geometry Handbook. 1. New York: Checkmark Books, 2005.

MLA-referens

Gorini,, Catherine A. Facts on File: Geometry Handbook. 1. Checkmark Books, 2005.