Necaise, Rance D., author
John Wiley & Sons, 2011
Buku Teks
Howe, Hubert S., author
Prentice-Hall, 1981
Buku Teks
Martin Charles Golumbic, editor
Springer, 2012
eBooks
Brailsford, D.F., author
Ellis Horwood, 1979
Buku Teks
Kuno, Masaru, author
Garland Science, 2012
Buku Teks