Não informado. (1968). IEEE international convention digest. Institute of Electrical and Electronics Engineers.
Chicago (17e ed.) BronvermeldingNão informado. IEEE International Convention Digest. New York: Institute of Electrical and Electronics Engineers, 1968.
MLA (8e ed.) BronvermeldingNão informado. IEEE International Convention Digest. Institute of Electrical and Electronics Engineers, 1968.
Let op: Deze citaties zijn niet altijd 100% accuraat.