APA-referens (7:e uppl.)

Robinson, G. d. B. (1946). The Foundations of geometry. The University of Toronto.

Chicago-referens (17:e uppl.)

Robinson, Gilbert de B. The Foundations of Geometry. Toronto: The University of Toronto, 1946.

MLA-referens (9:e uppl.)

Robinson, Gilbert de B. The Foundations of Geometry. The University of Toronto, 1946.