Não informado. (1954). Audio: Engineering music sound reproduction. Radio Magazine.
Chicago-viite (17. p.)Não informado. Audio: Engineering Music Sound Reproduction. New York: Radio Magazine, 1954.
MLA-viite (8. p.)Não informado. Audio: Engineering Music Sound Reproduction. Radio Magazine, 1954.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.