APA

Acoustical Society of America, American National Standard ANSI S12.40-1990, . (1990). Sound level descriptors for determination of compatible land use. New York, NY: Acoustical Society of America.

Chicago

Acoustical Society of America, American National Standard ANSI S12.40-1990, . 1990. Sound level descriptors for determination of compatible land use. New York, NY: Acoustical Society of America.

Harvard

Acoustical Society of America, American National Standard ANSI S12.40-1990, . (1990). Sound level descriptors for determination of compatible land use. New York, NY: Acoustical Society of America.

MLA

Acoustical Society of America, American National Standard ANSI S12.40-1990, . Sound level descriptors for determination of compatible land use. New York, NY: Acoustical Society of America. 1990.