APA引文

Ng, P. H. (1989). Entity-relationship based database management system.

Chicago Style (17th ed.) Citation

Ng, Pik Hwa. Entity-relationship Based Database Management System. 1989.

MLA引文

Ng, Pik Hwa. Entity-relationship Based Database Management System. 1989.

警告：这些引文格式不一定是100％准确.