APA استشهاد

Andreescu, T., & Andreescu, T. A. (2007). 104 number theory problems. Birkhauser.

استشهاد بنمط شيكاغو

Andreescu, Titu, و Titu; Andrica Andreescu. 104 Number Theory Problems. Boston: Birkhauser, 2007.

MLA استشهاد

Andreescu, Titu, و Titu; Andrica Andreescu. 104 Number Theory Problems. Birkhauser, 2007.