Παραπομπή σε μορφή APA (7η εκδ.)

Pankov, A. A. (1990). Bounded and almost periodic solutions of nonlinear operator differential equations. Kluwer Academic Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Pankov, Aleksandr Andreevich. Bounded and Almost Periodic Solutions of Nonlinear Operator Differential Equations. Dordrecht : Boston: Kluwer Academic Publishers, 1990.

Παραπομπή σε μορφή MLA (9th εκδ.)

Pankov, Aleksandr Andreevich. Bounded and Almost Periodic Solutions of Nonlinear Operator Differential Equations. Kluwer Academic Publishers, 1990.