Chinn, W. G., & Steenrod, N. E. (1979). First concepts of topology: The geometry of mappings of segments, curves, circles, and disks (5. print.). Math. Assoc. of America.
Chicago-Zitierstil (17. Ausg.)Chinn, William G., und Norman E. Steenrod. First Concepts of Topology: The Geometry of Mappings of Segments, Curves, Circles, and Disks. 5. print. Washington, DC: Math. Assoc. of America, 1979.
MLA-Zitierstil (9. Ausg.)Chinn, William G., und Norman E. Steenrod. First Concepts of Topology: The Geometry of Mappings of Segments, Curves, Circles, and Disks. 5. print. Math. Assoc. of America, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.