Lenk, John D., author
McGraw-Hill, 1994
Buku Referensi
Kellerman, Henry, author
Springer, 2010
Buku Teks
Lenk, John D., author
McGraw-Hill, 1993
Buku Referensi
Kellerman, Henry, author
Allyn and Bacon, 1997
Buku Teks
Mosley, Daniel J., author
Prentice-Hall, 1993
Buku Teks