Não informado. (1963). International Journal of Engineering Science. Pergamon Press.
Chicago (17e ed.) BronvermeldingNão informado. International Journal of Engineering Science. Elmsford, NY: Pergamon Press, 1963.
MLA (8e ed.) BronvermeldingNão informado. International Journal of Engineering Science. Pergamon Press, 1963.
Let op: Deze citaties zijn niet altijd 100% accuraat.