Spivak, M. (2005). A comprehensive introduction to differential geometry (Third edition.). Publish or Perish, Inc..
Παραπομπή σε μορφή Chicago (17η εκδ.)Spivak, Michael. A Comprehensive Introduction to Differential Geometry. Third edition. Houston, Tex.: Publish or Perish, Inc., 2005.
Παραπομπή σε μορφή MLA (8th εκδ.)Spivak, Michael. A Comprehensive Introduction to Differential Geometry. Third edition. Publish or Perish, Inc., 2005.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.