APA-referens (7:e uppl.)
Ungar, A. A. (2001). Beyond the Einstein addition law and its gyroscopic Thomas precession: The theory of gyrogroups and gyrovector spaces. Kluwer Academic Publishers.
Chicago-referens (17:e uppl.)
Ungar, Abraham A. Beyond the Einstein Addition Law and Its Gyroscopic Thomas Precession: The Theory of Gyrogroups and Gyrovector Spaces. Dordrecht ; Boston: Kluwer Academic Publishers, 2001.
MLA-referens (9:e uppl.)
Ungar, Abraham A. Beyond the Einstein Addition Law and Its Gyroscopic Thomas Precession: The Theory of Gyrogroups and Gyrovector Spaces. Kluwer Academic Publishers, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.