APA-viite (7. p.)
Chinn, W. G., & Steenrod, N. E. (1966). First concepts of topology: The geometry of mappings of segments, curves, circles and disks. Mathematical Association of America.
Chicago-viite (17. p.)
Chinn, William G., ja Norman Earl Steenrod. First Concepts of Topology: The Geometry of Mappings of Segments, Curves, Circles and Disks. Washington, D.C.: Mathematical Association of America, 1966.
MLA-viite (9. p.)
Chinn, William G., ja Norman Earl Steenrod. First Concepts of Topology: The Geometry of Mappings of Segments, Curves, Circles and Disks. Mathematical Association of America, 1966.
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