APA引文

Siau, K. L. (1990). A visual knowledge query language for the enhanced-ER model.

Chicago Style (17th ed.) Citation

Siau, Keng Leng. A Visual Knowledge Query Language for the Enhanced-ER Model. 1990.

MLA引文

Siau, Keng Leng. A Visual Knowledge Query Language for the Enhanced-ER Model. 1990.

警告：這些引文格式不一定是100％准確.