APA引文

Quek, S. G. (2015). Engel conditions in certain groups.

Chicago Style (17th ed.) Citation

Quek, Shio Gai. Engel Conditions in Certain Groups. 2015.

MLA引文

Quek, Shio Gai. Engel Conditions in Certain Groups. 2015.

警告：這些引文格式不一定是100％准確.