Não informado. (2021). Annual Report of the National Oceanographic Council. National Oceanographic Council.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Annual Report of the National Oceanographic Council. Cambridge, Inglaterra: National Oceanographic Council, 2021.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Annual Report of the National Oceanographic Council. National Oceanographic Council, 2021.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.