Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Geertman, S., & Stillwell, J. (2009). Planning Support Systems Best Practice and New Methods. Springer Netherlands.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Stan Geertman, και John Stillwell. Planning Support Systems Best Practice and New Methods. Dordrecht: Springer Netherlands, 2009.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Planning Support Systems Best Practice and New Methods. Springer Netherlands, 2009.