SINGER, I. M. (1967). Lecture notes on elementary topology and: Geometry. Springer-Verlag.
Cita Chicago (17th ed.)SINGER, Isadore Manuel. Lecture Notes on Elementary Topology and: Geometry. New York: Springer-Verlag, 1967.
Cita MLA (9th ed.)SINGER, Isadore Manuel. Lecture Notes on Elementary Topology and: Geometry. Springer-Verlag, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.