Não informado. (1974). Scientific and Technical Information Processing. Allerton Press.
Chicago (17e ed.) BronvermeldingNão informado. Scientific and Technical Information Processing. New York: Allerton Press, 1974.
MLA (8e ed.) BronvermeldingNão informado. Scientific and Technical Information Processing. Allerton Press, 1974.
Let op: Deze citaties zijn niet altijd 100% accuraat.