Παραπομπή APA

Fomin, D., & Genkin, S. I. (1996). Mathematical circles: Russian experience. Universities Press.

Παραπομπή Chicago Style

Fomin, Dmitri, και Sergey Itenberg Genkin. Mathematical Circles: Russian Experience. Hyderabad: Universities Press, 1996.

Παραπομπή MLA

Fomin, Dmitri, και Sergey Itenberg Genkin. Mathematical Circles: Russian Experience. Universities Press, 1996.