Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service) & Wippel, S. (2013). Regionalizing Oman: Political, Economic and Social Dynamics. Springer Netherlands : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service) και Steffen Wippel. Regionalizing Oman: Political, Economic and Social Dynamics. Dordrecht: Springer Netherlands : Imprint: Springer, 2013.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service) και Steffen Wippel. Regionalizing Oman: Political, Economic and Social Dynamics. Springer Netherlands : Imprint: Springer, 2013.