Παραπομπή APA

Chinn, W. G., & Steenrod, N. E. (1966). First concepts of topology: : the geometry of mappings of segments, curves, circles, and disks. Washington: Mathematical Association of America.

Παραπομπή Chicago Style

Chinn, William G., and Norman E. Steenrod. First Concepts of Topology: : The Geometry of Mappings of Segments, Curves, Circles, and Disks. Washington: Mathematical Association of America, 1966.

Παραπομπή MLA

Chinn, William G., and Norman E. Steenrod. First Concepts of Topology: : The Geometry of Mappings of Segments, Curves, Circles, and Disks. Washington: Mathematical Association of America, 1966.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.