Gjerde, K. (2003). Towards a strategy for high seas marine protected areas. Galand, Switzerland: IUCN - The world conservation union.
Chicago Style aipamenaGjerde, Kristina. Towards a Strategy for High Seas Marine Protected Areas. Galand, Switzerland: IUCN - The world conservation union, 2003.
MLA aipamenaGjerde, Kristina. Towards a Strategy for High Seas Marine Protected Areas. Galand, Switzerland: IUCN - The world conservation union, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.