Não informado. (1948). DSIR information series. New Zealand Department of Scientific and Industrial Research.
Chicago (17e ed.) BronvermeldingNão informado. DSIR Information Series. Wellington: New Zealand Department of Scientific and Industrial Research, 1948.
MLA (8e ed.) BronvermeldingNão informado. DSIR Information Series. New Zealand Department of Scientific and Industrial Research, 1948.
Let op: Deze citaties zijn niet altijd 100% accuraat.