APA引文

Ong, K. S. (1985). Marketing of a new grade of petrol.

Chicago Style (17th ed.) Citation

Ong, Kai Seong. Marketing of a New Grade of Petrol. 1985.

MLA引文

Ong, Kai Seong. Marketing of a New Grade of Petrol. 1985.

警告：這些引文格式不一定是100％准確.