Knudsen, V. O. (1932). Architectural acoustics. J. Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Knudsen, Vern Oliver. Architectural Acoustics. New York: J. Wiley & Sons, 1932.
Lua MLA (9ú heag.)Knudsen, Vern Oliver. Architectural Acoustics. J. Wiley & Sons, 1932.
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