Downey, Rodney G., author
Springer, 2013
Buku Teks
Bovet, Daniel Piere, author
Prentice-Hall, 1994
Buku Teks
edited by Mike Hinchey, Lorcan Coyle
Springer, 2012
eBooks
Winograd, Shmuel, author
Society for Industrial and Applied Mathematics, 1980
eBooks
Papadimitriou, Christos H., author
Prentice Hall of India, 1997
Buku Teks