Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

Hull, Ruth N., et al. Strategies to Enhance Environmental Security in Transition Countries. Springer, 2007.