SpringerLink (Online service), Huggenberger, P., & Epting, J. (2011). Urban Geology: Process-Oriented Concepts for Adaptive and Integrated Resource Management. Springer Basel : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Peter Huggenberger, και Jannis Epting. Urban Geology: Process-Oriented Concepts for Adaptive and Integrated Resource Management. Basel: Springer Basel : Imprint: Springer, 2011.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Urban Geology: Process-Oriented Concepts for Adaptive and Integrated Resource Management. Springer Basel : Imprint: Springer, 2011.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.