Παραπομπή APA

Li, D., & Sun, X. (2006). Nonlinear integer programming. Springer.

Παραπομπή Chicago Style

Li, Duan, και Xiaoling Sun. Nonlinear Integer Programming. New York: Springer, 2006.

Παραπομπή MLA

Li, Duan, και Xiaoling Sun. Nonlinear Integer Programming. Springer, 2006.