Hewett, D., & Williams, D. (2010). Sound propagation in an urban environment.
芝加哥风格引文Hewett, D., 与 D. Williams. Sound Propagation in an Urban Environment. 2010.
MLA引文Hewett, D., 与 D. Williams. Sound Propagation in an Urban Environment. 2010.
警告：这些引文格式不一定是100％准确.