Young, Frederick H., author
John Wiley and Sons, 1968
Buku Teks
Craig, Robert T., author
Prentice-Hall, 1969
Buku Teks
Hafstrom, John E., author
Addison-Wesely, 1961
Buku Teks
Sharp, Henry, author
Prentice-Hall, 1968
Buku Teks
Keedy, Mervin J., author
Addison-Wesley , 1969
Buku Teks