APA引文

Iek, T. W. (1994). Geographical information system for an electrical utility in Singapore.

Chicago Style (17th ed.) Citation

Iek, 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.