CLAYTON, A. (1990). THE PERFORMANCE & DESIGN OF DIRECT CURRENT MACHINES. -.
芝加哥风格引文CLAYTON, A.E. THE PERFORMANCE & DESIGN OF DIRECT CURRENT MACHINES. -: -, 1990.
MLA引文CLAYTON, A.E. THE PERFORMANCE & DESIGN OF DIRECT CURRENT MACHINES. -, 1990.
警告：这些引文格式不一定是100％准确.