Crowhurst, N. H. (1969). Audio systems handbook ([1st ed.].). G/L Tab Books.
芝加哥风格引文Crowhurst, Norman H. Audio Systems Handbook. [1st ed.]. Blue Ridge Summit, Pa: G/L Tab Books, 1969.
MLA引文Crowhurst, Norman H. Audio Systems Handbook. [1st ed.]. G/L Tab Books, 1969.
警告：这些引文格式不一定是100％准确.