Não informado. (2001). Annual Report of the Netherlands Institute for Sea Research. Netherlands Institute for Sea Research.
Lua i Stíl Chicago (17ú heag.)Não informado. Annual Report of the Netherlands Institute for Sea Research. Den Burg, Holanda: Netherlands Institute for Sea Research, 2001.
Lua MLA (8ú heag.)Não informado. Annual Report of the Netherlands Institute for Sea Research. Netherlands Institute for Sea Research, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.