APA استشهاد

Fučík, S., & Kufner, A. (1980). Nonlinear differential equations. Elsevier Scientific Pub. Co..

استشهاد بنمط شيكاغو

Fučík, Svatopluk, و Alois Kufner. Nonlinear Differential Equations. Amsterdam: Elsevier Scientific Pub. Co., 1980.

MLA استشهاد

Fučík, Svatopluk, و Alois Kufner. Nonlinear Differential Equations. Elsevier Scientific Pub. Co., 1980.