SpringerLink (Online service), Popp, K., & Schiehlen, W. (2003). System Dynamics and Long-Term Behaviour of Railway Vehicles, Track and Subgrade (1st ed. 2003.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/978-3-540-45476-2
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Karl Popp, και Werner Schiehlen. System Dynamics and Long-Term Behaviour of Railway Vehicles, Track and Subgrade. 1st ed. 2003. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2003. https://doi.org/10.1007/978-3-540-45476-2.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. System Dynamics and Long-Term Behaviour of Railway Vehicles, Track and Subgrade. 1st ed. 2003. Springer Berlin Heidelberg : Imprint: Springer, 2003. https://doi.org/10.1007/978-3-540-45476-2.
