Eisenhart, L. (1927). Non-Riemannian geometry. American Mathematical Society.
Cita Chicago (17th ed.)Eisenhart, L.P. Non-Riemannian Geometry. New York: American Mathematical Society, 1927.
Cita MLA (9th ed.)Eisenhart, L.P. Non-Riemannian Geometry. American Mathematical Society, 1927.
Atenció: Aquestes cites poden no estar 100% correctes.