SpringerLink (Online service), Otto, J., & Dikau, R. (2010). Landform - Structure, Evolution, Process Control: Proceedings of the International Symposium on Landform organised by the Research Training Group 437 (first.). Springer Berlin Heidelberg.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Jan-Christoph Otto, και Richard Dikau. Landform - Structure, Evolution, Process Control: Proceedings of the International Symposium on Landform Organised by the Research Training Group 437. first. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Landform - Structure, Evolution, Process Control: Proceedings of the International Symposium on Landform Organised by the Research Training Group 437. first. Springer Berlin Heidelberg, 2010.