Não informado. (1959). Fishery investigations. Ministry of Agriculture, Fisheries and Food.
Chicago (17e ed.) BronvermeldingNão informado. Fishery Investigations. London: Ministry of Agriculture, Fisheries and Food, 1959.
MLA (8e ed.) BronvermeldingNão informado. Fishery Investigations. Ministry of Agriculture, Fisheries and Food, 1959.
Let op: Deze citaties zijn niet altijd 100% accuraat.