Παραπομπή APA

Arnold, V. I., & Arnolʹd, V. I. (1985). Singularities of differentiable maps. Birkhäuser.

Παραπομπή Chicago Style

Arnold, V. I., και V. I.;Gusein-Zade Arnolʹd. Singularities of Differentiable Maps. Boston: Birkhäuser, 1985.

Παραπομπή MLA

Arnold, V. I., και V. I.;Gusein-Zade Arnolʹd. Singularities of Differentiable Maps. Birkhäuser, 1985.