Não informado. Sound: Its uses and control. American Institute of Physics.
Chicago-referens (17:e uppl.)Não informado. Sound: Its Uses and Control. Lancaster, Pa: American Institute of Physics.
MLA-referens (8:e uppl.)Não informado. Sound: Its Uses and Control. American Institute of Physics.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.