Malvino, Albert Paul, author
McGraw-Hill, 1993
Buku Teks
Fernandez, Judi N., 1941- author
John Wiley and Sons, 1981
Buku Teks
Johnson, David E., author
Prentice-Hall, 1979
Buku Teks
Nashelsky, Louis, author
John Wiley and Sons, 1977
Buku Teks
Oleksy, Jerome E.
Prentice-Hall, 1981
Buku Teks