Não informado. (1973). Noise Control Engineering. Institute of Noise Control Engineering.
Chicago-referens (17:e uppl.)Não informado. Noise Control Engineering. Bedford, Mass: Institute of Noise Control Engineering, 1973.
MLA-referens (8:e uppl.)Não informado. Noise Control Engineering. Institute of Noise Control Engineering, 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.