Παραπομπή APA

Chen, J., & Li, D. (2011). Problems and solutions in mathematics (2nd ed.). World Scientific.

Παραπομπή Chicago Style

Chen, Ji-Xiu, και Daqian Li. Problems and Solutions in Mathematics. 2nd ed. Hackensack, N.J.: World Scientific, 2011.

Παραπομπή MLA

Chen, Ji-Xiu, και Daqian Li. Problems and Solutions in Mathematics. 2nd ed. World Scientific, 2011.