Não informado. (1977). The Institute. Institute of Electrical and Electronics Engineers.
Chicago (17e ed.) BronvermeldingNão informado. The Institute. New York: Institute of Electrical and Electronics Engineers, 1977.
MLA (8e ed.) BronvermeldingNão informado. The Institute. Institute of Electrical and Electronics Engineers, 1977.
Let op: Deze citaties zijn niet altijd 100% accuraat.