Παραπομπή APA

Toponogov, V. A. (2006). Differential geometry of curves and surfaces: A concise guide. Birkh�user.

Παραπομπή Chicago Style

Toponogov, Victor Andreevich. Differential Geometry of Curves and Surfaces: A Concise Guide. Boston: Birkh�user, 2006.

Παραπομπή MLA

Toponogov, Victor Andreevich. Differential Geometry of Curves and Surfaces: A Concise Guide. Birkh�user, 2006.