Παραπομπή APA

Carl, S., & Heikkila,Seppo. (2011). Fixed point theory in ordered sets and applications: From differential and integral equations to game theory. Springer.

Παραπομπή Chicago Style

Carl, Siegfried, και Heikkila,Seppo. Fixed Point Theory in Ordered Sets and Applications: From Differential and Integral Equations to Game Theory. New York: Springer, 2011.

Παραπομπή MLA

Carl, Siegfried, και Heikkila,Seppo. Fixed Point Theory in Ordered Sets and Applications: From Differential and Integral Equations to Game Theory. Springer, 2011.