APA استشهاد

Andreescu, T., Andrica, D., & Feng, Z. (2007). 104 number theory problems: From the training of the USA IMO team. Birkh�user.

استشهاد بنمط شيكاغو

Andreescu, Titu, D. Andrica, و Zuming Feng. 104 Number Theory Problems: From the Training of the USA IMO Team. Boston: Birkh�user, 2007.

MLA استشهاد

Andreescu, Titu, et al. 104 Number Theory Problems: From the Training of the USA IMO Team. Birkh�user, 2007.