Iek, T. W. (1994). Geographical information system for an electrical utility in Singapore.
Chicago Style (17th ed.) CitationIek, Tong Wah. Geographical Information System for an Electrical Utility in Singapore. 1994.
MLA引文Iek, Tong Wah. Geographical Information System for an Electrical Utility in Singapore. 1994.
警告:這些引文格式不一定是100%准確.