Não informado. (1980). Science & Technology Libraries. Haworth Press.
Chicago (17e ed.) BronvermeldingNão informado. Science & Technology Libraries. New York: Haworth Press, 1980.
MLA (8e ed.) BronvermeldingNão informado. Science & Technology Libraries. Haworth Press, 1980.
Let op: Deze citaties zijn niet altijd 100% accuraat.