Arora, S., & Barak, B. (2009). Computational complexity: A modern approach. Cambridge University Press.

Arora, Sanjeev, and Boaz Barak. Computational Complexity: A Modern Approach. Cambridge: Cambridge University Press, 2009.

Arora, Sanjeev, and Boaz Barak. Computational Complexity: A Modern Approach. Cambridge University Press, 2009.