Lewis, Jack R., author
Prentice-Hall, 1982
Buku Referensi
Carvill, J., author
Butterworth-Heinemann Ltd., 1993
Buku Referensi
Heisler, Sanford I, author
John Wiley & Sons, 1984
Buku Referensi
Fisk, Edward R., author
John Wiley & Sons, 1981
Buku Teks
Brindley, Keith, author
A Butterworth-Heinemann Book, 1994
Buku Teks