Mitchell, R. J. (1977). Merit rating in industry and the armed services [microform]. Photoduplication Service. University of the Philippines Library.
芝加哥风格引文Mitchell, Robert Jouett. Merit Rating in Industry and the Armed Services [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA引文Mitchell, Robert Jouett. Merit Rating in Industry and the Armed Services [microform]. Photoduplication Service. University of the Philippines Library, 1977.
警告：这些引文格式不一定是100％准确.