Παραπομπή APA

Andreescu, T., Andrica, D., & Feng, Z. (2007). One hundred and four number theory problems: From the training of the USA IMO team. Birkhäuser.

Παραπομπή Chicago Style

Andreescu, Titu, D. Andrica, και Zuming Feng. One Hundred and Four Number Theory Problems: From the Training of the USA IMO Team. Boston: Birkhäuser, 2007.

Παραπομπή MLA

Andreescu, Titu, et al. One Hundred and Four Number Theory Problems: From the Training of the USA IMO Team. Birkhäuser, 2007.