Coxeter, H. S. M. (1968). Non-Euclidean geometry. The University of Toronto Press.
Cita Chicago (17th ed.)Coxeter, H. S. M. Non-Euclidean Geometry. Toronto, Can.: The University of Toronto Press, 1968.
Cita MLA (9th ed.)Coxeter, H. S. M. Non-Euclidean Geometry. The University of Toronto Press, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.