Não informado. (1967). DB: The sound engineering magazine. Sagamore Publishing Company.
Chicago (17e ed.) BronvermeldingNão informado. DB: The Sound Engineering Magazine. Plainview, N.Y: Sagamore Publishing Company, 1967.
MLA (8e ed.) BronvermeldingNão informado. DB: The Sound Engineering Magazine. Sagamore Publishing Company, 1967.
Let op: Deze citaties zijn niet altijd 100% accuraat.