Cita APA (7a ed.)
Zhang, Y. (2011). Combinatorial problems in mathematical competitions. World Scientific.
Cita Chicago Style (17a ed.)
Zhang, Yao. Combinatorial Problems in Mathematical Competitions. Singapore: World Scientific, 2011.
Cita MLA (9a ed.)
Zhang, Yao. Combinatorial Problems in Mathematical Competitions. World Scientific, 2011.
Precaución: Estas citas no son 100% exactas.