Παραπομπή σε μορφή APA (7η εκδ.)

Kreyszig, E. (1968). Introduction to differential geometry and Riemannian geometry. University of Toronto Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kreyszig, Erwin. Introduction to Differential Geometry and Riemannian Geometry. [Toronto]: University of Toronto Press, 1968.

Παραπομπή σε μορφή MLA (8th εκδ.)

Kreyszig, Erwin. Introduction to Differential Geometry and Riemannian Geometry. University of Toronto Press, 1968.