Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Crew, M. A., & Kleindorfer, P. R. (2005). Regulatory and Economic Challenges in the Postal and Delivery Sector. Springer US.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Michael A. Crew, και Paul R. Kleindorfer. Regulatory and Economic Challenges in the Postal and Delivery Sector. Boston, MA: Springer US, 2005.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Regulatory and Economic Challenges in the Postal and Delivery Sector. Springer US, 2005.