Style de citation APA

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

Style de citation Chicago

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

Style de citation MLA

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

Attention : ces citations peuvent ne pas être correctes à 100%.