Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Hull, R. N., Barbu, C., & Goncharova, N. (2007). Strategies to Enhance Environmental Security in Transition Countries. Springer Netherlands.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Ruth N. Hull, Constantin-Horia Barbu, και Nadezhda Goncharova. Strategies to Enhance Environmental Security in Transition Countries. Dordrecht: Springer Netherlands, 2007.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Strategies to Enhance Environmental Security in Transition Countries. Springer Netherlands, 2007.