Sedgewick, Robert and Wayne, Kevin Daniel. 2011. Algorithms. 4th ed. Upper Saddle River, NJ: Addison-Wesley. https://go.oreilly.com/university-college-london/library/view/-/9780132762564/?ar.
Thomas Cormen, Charles Leisersen, Ronald Rivest, Clifford Stein. 2009. Introduction to Algorithms. 3rd ed. Cambridge, Mass: MIT Press. https://ebookcentral.proquest.com/lib/ucl/detail.action?docID=3339142.