Raghupathi, M., author
Tata McGraw-Hill, 1995
Buku Teks
Wong, M. Bill, author
Elsevier , 2009
Buku Teks
Williams, Alan, author
McGraw-Hill, 2011
Buku Teks
Schucller, Wolfgang, author
Prentice-Hall, 1996
Buku Teks
Vazirani, V.N., author
Khanna, 1981
Buku Teks