British Standards Institution. (1979). Methods for specifying and measuring the characteristics of sound system equipment. British Standards Institution.
芝加哥风格引文British Standards Institution. Methods for Specifying and Measuring the Characteristics of Sound System Equipment. London: British Standards Institution, 1979.
MLA引文British Standards Institution. Methods for Specifying and Measuring the Characteristics of Sound System Equipment. British Standards Institution, 1979.
警告：这些引文格式不一定是100％准确.