Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Leine, R. I., & Wouw, N. v. d. (2008). Stability and Convergence of Mechanical Systems with Unilateral Constraints. Springer Berlin Heidelberg.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Remco I. Leine, και Nathan van de Wouw. Stability and Convergence of Mechanical Systems with Unilateral Constraints. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Stability and Convergence of Mechanical Systems with Unilateral Constraints. Springer Berlin Heidelberg, 2008.