Παραπομπή σε μορφή APA (7η εκδ.)

Istratescu, V. I. (1981). Fixed point theory: An introduction. D. Reidel Pub. Co., Distributed in the U.S.A. and Canada by Kluwer Boston Inc..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Istratescu, Vasile I. Fixed Point Theory: An Introduction. Dordrecht, Holland : Boston : Hingham, MA: D. Reidel Pub. Co., Distributed in the U.S.A. and Canada by Kluwer Boston Inc., 1981.

Παραπομπή σε μορφή MLA (9th εκδ.)

Istratescu, Vasile I. Fixed Point Theory: An Introduction. D. Reidel Pub. Co., Distributed in the U.S.A. and Canada by Kluwer Boston Inc., 1981.