Παραπομπή σε μορφή APA (7η εκδ.)

Motreanu, D., & Panagiotopoulos, P. D. (1999). Minimax theorems and qualitative properties of the solutions of hemivariational inequalities. Kluwer Academic publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Motreanu, D., και P. D. Panagiotopoulos. Minimax Theorems and Qualitative Properties of the Solutions of Hemivariational Inequalities. Dordrecht ; Boston ; London: Kluwer Academic publishers, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

Motreanu, D., και P. D. Panagiotopoulos. Minimax Theorems and Qualitative Properties of the Solutions of Hemivariational Inequalities. Kluwer Academic publishers, 1999.