Yam, W. K. (1996). Customer Focus Among Education Service Officers in Perak.
Chicago Style (17th ed.) CitationYam, Weng Kong. Customer Focus Among Education Service Officers in Perak. 1996.
MLA引文Yam, Weng Kong. Customer Focus Among Education Service Officers in Perak. 1996.
警告:這些引文格式不一定是100%准確.