Andreescu, T., & Feng, Z. (2003). 102 combinatorial problems: From the training of the USA IMO team. Boston: Birkhauser.
استشهاد بنمط شيكاغوAndreescu, Titu, و Zuming Feng. 102 Combinatorial Problems: From the Training of the USA IMO Team. Boston: Birkhauser, 2003.
MLA استشهادAndreescu, Titu, و Zuming Feng. 102 Combinatorial Problems: From the Training of the USA IMO Team. Boston: Birkhauser, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.