APA引文

Zhang, Y. (2011). Combinatorial problems in mathematical competitions. East china normal university.

Chicago Edition Citation

Zhang, Yao. Combinatorial Problems in Mathematical Competitions. Shanghai: East china normal university, 2011.

MLA引文

Zhang, Yao. Combinatorial Problems in Mathematical Competitions. East china normal university, 2011.

警告：這些引文格式不一定是100％准確.