APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.