editor, William H. Beyer
CRC Press, 1987
Buku Referensi
Milazo, Guilio, author
John Wiley & Sons, 1978
Buku Teks
edited by Milton Abramowitz, Irene A. Stegun
U.S. Government Printing Office, 1967
Buku Referensi
Meredith, William M., author
McGraw-Hill , 1967
Buku Teks
Dwight, Herbert Bristol
"New York: McGraw-Hill, 1941",
Buku Teks