Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Chinn, W. G., και Norman Earl Steenrod. First Concepts of Topology: The Geometry of Mappings of Segments, Curves, Circles, and Disks. Mathematical association of America, 1966.

Παραπομπή σε μορφή MLA (8th εκδ.)

Chinn, W. G., και Norman Earl Steenrod. First Concepts of Topology: The Geometry of Mappings of Segments, Curves, Circles, and Disks. Mathematical association of America, 1966.