Ramabhadran, S.
Khanna, 1976
Buku Teks
Morris, Noel Malcolm, 1929-, author
Macmillan, 1991
Buku Teks
Floyd, Thomas L., author
Prentice-Hall, 1998
Buku Teks
Wong, Yu Jen, author
McGraw-Hill, 1976
Buku Teks
edited by Robert L. Morris, John R. Miller
McGraw-Hill, 1984
Buku Teks