Παραπομπή σε μορφή APA (7η εκδ.)

Zimmermann, C., Dean, R. G., Penchev, V., & Verhagen, H. J. (2005). Environmentally Friendly Coastal Protection: Proceedings of the NATO Advanced Research Workshop on Environmentally Friendly Coastal Protection Structures Varna, Bulgaria 25–27 May 2004. Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Zimmermann, Claus, Robert G. Dean, Valeri Penchev, και Henk Jan Verhagen. Environmentally Friendly Coastal Protection: Proceedings of the NATO Advanced Research Workshop on Environmentally Friendly Coastal Protection Structures Varna, Bulgaria 25–27 May 2004. Dordrecht: Springer, 2005.

Παραπομπή σε μορφή MLA (8th εκδ.)

Zimmermann, Claus, et al. Environmentally Friendly Coastal Protection: Proceedings of the NATO Advanced Research Workshop on Environmentally Friendly Coastal Protection Structures Varna, Bulgaria 25–27 May 2004. Springer, 2005.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.