Παραπομπή APA

Williamson, D. P., & Shmoys, D. B. (2011). The design of approximation algorithms. Cambridge University Press.

Παραπομπή Chicago Style

Williamson, David P., και David Bernard Shmoys. The Design of Approximation Algorithms. New York: Cambridge University Press, 2011.

Παραπομπή MLA

Williamson, David P., και David Bernard Shmoys. The Design of Approximation Algorithms. Cambridge University Press, 2011.