Andreescu, T., & Feng, Z. (2003). 102 combinatorial problems: From the training of the USA IMO team. Boston: Birkhauser.
Trích dẫn kiểu ChicagoAndreescu, Titu, và Zuming Feng. 102 Combinatorial Problems: From the Training of the USA IMO Team. Boston: Birkhauser, 2003.
MLA CitationAndreescu, Titu, và Zuming Feng. 102 Combinatorial Problems: From the Training of the USA IMO Team. Boston: Birkhauser, 2003.
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