Hartley, Michael G.
McGraw-Hill, 1978
Buku Teks
Wheeler, Ruric E., author
John Wiley & Sons, 1996
Buku Teks
Weir, Maurice D., author
Prentice-Hall, 1982
Buku Teks
Henrici, Peter, author
John Wiley & Sons, 1982
Buku Teks
David L. Dunlop
Prentice-Hall, 1983
Buku Teks