Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Fels, E., Kremer, J., & Kronenberg, K. (2012). Power in the 21st Century: International Security and International Political Economy in a Changing World. Springer Berlin Heidelberg : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Enrico Fels, Jan-Frederik Kremer, και Katharina Kronenberg. Power in the 21st Century: International Security and International Political Economy in a Changing World. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Power in the 21st Century: International Security and International Political Economy in a Changing World. Springer Berlin Heidelberg : Imprint: Springer, 2012.