Rosenberg, Jerry M., author
John Wiley & Sons, 1987
Buku Referensi
Fuori, William M., author
Prentice-Hall, 1991
Buku Teks
Davis, Gordon B., author
McGraw-Hill, 1978
Buku Teks
Fouri, William M., author
Prentice-Hall, 1989
Buku Teks SO
Elsevier Scientific Publishing, 1971
Buku Referensi