Helmprecht, H.L., author
McGraw-Hill, 1977
Buku Teks
Williams, Virginia R., author
W.H. Freeman, 1967
Buku Teks
Malone, Leo J., author
John Wiley & Sons, 1981
Buku Teks
Kaushik, R.K., author
SS. Mubaruk and Bross, 1995
Buku Teks
Roach, Don, author
McGraw-Hill, 1979
Buku Teks