Martin, G. E. (1982). The foundations of geometry and the non-Euclidean plane (1st corrected Springer ed.). Springer-Verlag.
Cita Chicago (17th ed.)Martin, George Edward. The Foundations of Geometry and the Non-Euclidean Plane. 1st corrected Springer ed. New York: Springer-Verlag, 1982.
Cita MLA (9th ed.)Martin, George Edward. The Foundations of Geometry and the Non-Euclidean Plane. 1st corrected Springer ed. Springer-Verlag, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.