Chen, J., & Li, D. (2011). Problems and solutions in mathematics (2nd ed.). World Scientific.
Dyfyniad Arddull ChicagoChen, Ji-Xiu, and Daqian Li. Problems and Solutions in Mathematics. 2nd ed. Hackensack, N.J.: World Scientific, 2011.
Dyfyniad MLAChen, Ji-Xiu, and Daqian Li. Problems and Solutions in Mathematics. 2nd ed. World Scientific, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.