Παραπομπή σε μορφή APA (7η εκδ.)

Krawcewicz, W., & Jianhong, W. (1997). Theory of degrees with applications to bifurcations and differential equations. John Wiley & Sons.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Krawcewicz, Wieslaw, και Wu Jianhong. Theory of Degrees with Applications to Bifurcations and Differential Equations. New York: John Wiley & Sons, 1997.

Παραπομπή σε μορφή MLA (8th εκδ.)

Krawcewicz, Wieslaw, και Wu Jianhong. Theory of Degrees with Applications to Bifurcations and Differential Equations. John Wiley & Sons, 1997.