Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Geertman, S., Toppen, F., & Stillwell, J. (2013). Planning Support Systems for Sustainable Urban Development. Springer Berlin Heidelberg : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Stan Geertman, Fred Toppen, και John Stillwell. Planning Support Systems for Sustainable Urban Development. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2013.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Planning Support Systems for Sustainable Urban Development. Springer Berlin Heidelberg : Imprint: Springer, 2013.