Παραπομπή σε μορφή APA (7η εκδ.)
Mediterranean Symposium on Marine Vegetation (2nd : 2003 : Athens), UNEP. Regional Activity Centre For Specially Protected Areas, & UNEP. Regional Activity Centre For Specially Protected Areas. (2006). Proceedings of the Second Mediterranean Symposioum on Marine Vegetation: Athens, 12-13 December 2003. UNEP. Regional Activity Centre For Specially Protected Areas.
Παραπομπή σε μορφή Chicago (17η εκδ.)
Mediterranean Symposium on Marine Vegetation (2nd : 2003 : Athens), UNEP. Regional Activity Centre For Specially Protected Areas, και UNEP. Regional Activity Centre For Specially Protected Areas. Proceedings of the Second Mediterranean Symposioum on Marine Vegetation: Athens, 12-13 December 2003. UNEP. Regional Activity Centre For Specially Protected Areas, 2006.
Παραπομπή σε μορφή MLA (9th εκδ.)
Mediterranean Symposium on Marine Vegetation (2nd : 2003 : Athens), et al. Proceedings of the Second Mediterranean Symposioum on Marine Vegetation: Athens, 12-13 December 2003. UNEP. Regional Activity Centre For Specially Protected Areas, 2006.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.