Cheah , S. P. (2001). Electronic Library Information System (ELIS) / Cheah Sooi Ping.
芝加哥风格引文Cheah , Sooi Ping. Electronic Library Information System (ELIS) / Cheah Sooi Ping. 2001.
MLA引文Cheah , Sooi Ping. Electronic Library Information System (ELIS) / Cheah Sooi Ping. 2001.
警告：这些引文格式不一定是100％准确.