Katula, Richard A., author
Little, Brown and Company, 1983
Buku Teks
Sharma, R.C., author
Tata McGraw-Hill, 2002
Buku Teks
Barnet, Sylvan, author
Little, Brown, 1980
Buku Teks
Sholapurkar, Amar A., author
Jaypee Brothers Pvt. Ltd., 2011
Buku Teks
Halford, D.R.C., author
Pan Books, 1971
Buku Teks