<ref name="CormenLeiserson2001">{{cite book|author1=Thomas H Cormen|author2=Charles E Leiserson|author3=Ronald L Rivest|coauthors=Clifford Stein|title=Introduction To Algorithms|url=http://books.google.com/books?id=NLngYyWFl_YC&pg=PA11|year=2001|publisher=MIT Press|isbn=978-0-262-03293-3|pages=28–29}}</ref>
