Não informado. (1961). Electronics and communications abstracts. Multi-Science Publishing.
Chicago (17e ed.) BronvermeldingNão informado. Electronics and Communications Abstracts. Brentwood, Inglaterra: Multi-Science Publishing, 1961.
MLA (8e ed.) BronvermeldingNão informado. Electronics and Communications Abstracts. Multi-Science Publishing, 1961.
Let op: Deze citaties zijn niet altijd 100% accuraat.