Παραπομπή APA

Shashkin, Y. .. (1991). Fixed points. Universities Press (India).

Παραπομπή Chicago Style

Shashkin, Yu .A. Fixed Points. Hyderabad: Universities Press (India), 1991.

Παραπομπή MLA

Shashkin, Yu .A. Fixed Points. Universities Press (India), 1991.