Cita APA
Zhang, Y. (2011). Combinatorial problems in mathematical competitions. World Scientific.
Citación estilo Chicago
Zhang, Yao. Combinatorial Problems in Mathematical Competitions. Singapore: World Scientific, 2011.
Cita MLA
Zhang, Yao. Combinatorial Problems in Mathematical Competitions. World Scientific, 2011.
Warning: These citations may not always be 100% accurate.