Não informado. (1961). Netherlands Journal of Sea Research. Netherlands Institute for Sea Research.
Chicago (17e ed.) BronvermeldingNão informado. Netherlands Journal of Sea Research. Texel, Holanda: Netherlands Institute for Sea Research, 1961.
MLA (8e ed.) BronvermeldingNão informado. Netherlands Journal of Sea Research. Netherlands Institute for Sea Research, 1961.
Let op: Deze citaties zijn niet altijd 100% accuraat.