Παραπομπή σε μορφή APA (7η εκδ.)

Kuhnel, W., & Hunt, B. (2006). Differential geometry: Curves -surfaces - manifolds (2nd ed.). American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kuhnel, Wolfgang, και Bruce Hunt. Differential Geometry: Curves -surfaces - Manifolds. 2nd ed. Providence: American Mathematical Society, 2006.

Παραπομπή σε μορφή MLA (8th εκδ.)

Kuhnel, Wolfgang, και Bruce Hunt. Differential Geometry: Curves -surfaces - Manifolds. 2nd ed. American Mathematical Society, 2006.