Não informado. (1978). Industrial Research & Development. Technical Publishing Corporation.
Chicago (17e ed.) BronvermeldingNão informado. Industrial Research & Development. Chicago, Ill: Technical Publishing Corporation, 1978.
MLA (8e ed.) BronvermeldingNão informado. Industrial Research & Development. Technical Publishing Corporation, 1978.
Let op: Deze citaties zijn niet altijd 100% accuraat.