Παραπομπή σε μορφή APA (7η εκδ.)

Nordheim, H., Boedeker, D., & Krause, J. C. (2006). Progress in Marine Conservation in Europe: NATURA 2000 Sites in German Offshore Waters. Springer-Verlag Berlin Heidelberg.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Nordheim, Henning, Dieter Boedeker, και Jochen C. Krause. Progress in Marine Conservation in Europe: NATURA 2000 Sites in German Offshore Waters. Berlin, Heidelberg: Springer-Verlag Berlin Heidelberg, 2006.

Παραπομπή σε μορφή MLA (8th εκδ.)

Nordheim, Henning, et al. Progress in Marine Conservation in Europe: NATURA 2000 Sites in German Offshore Waters. Springer-Verlag Berlin Heidelberg, 2006.