APA引文

Halim, S., & Halim, F. (2013). Competitive programming 3: The new lower bound of programming contests (3rd edition.). Lulu.com.

Chicago Style (17th ed.) Citation

Halim, Steven, and Felix Halim. Competitive Programming 3: The New Lower Bound of Programming Contests. 3rd edition. Singapore: Lulu.com, 2013.

MLA引文

Halim, Steven, and Felix Halim. Competitive Programming 3: The New Lower Bound of Programming Contests. 3rd edition. Lulu.com, 2013.