Não informado. (1961). Netherlands Journal of Sea Research. Netherlands Institute for Sea Research.
Chicago-Zitierstil (17. Ausg.)Não informado. Netherlands Journal of Sea Research. Texel, Holanda: Netherlands Institute for Sea Research, 1961.
MLA-Zitierstil (8. Ausg.)Não informado. Netherlands Journal of Sea Research. Netherlands Institute for Sea Research, 1961.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.