Campbell, Ashley S., author
John Wiley & Sons, 1979
Buku Teks
Mathur, M.L., author
Dhanpat Rai and Sons, 1980
Buku Teks
Maleev, Vladimir Leonidas, 1879-, author
McGraw-Hill, 1989
Buku Teks
Benson, Rowland S., author
Pergamon Press, 1983
Buku Teks
editor, Sudhir Singhal
Tata McGraw-Hill, 1992
Buku Referensi