Não informado. (2001). Annual Report of the Netherlands Institute for Sea Research. Netherlands Institute for Sea Research.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Annual Report of the Netherlands Institute for Sea Research. Den Burg, Holanda: Netherlands Institute for Sea Research, 2001.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Annual Report of the Netherlands Institute for Sea Research. Netherlands Institute for Sea Research, 2001.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.