Singh, P.R., author
Tata McGraw-Hill, 1980
Buku Teks
Mann, Frederick George
Longman, 1972
Buku Teks
Klein, David, author
John Wiley & Sons, 2012
Buku Teks
edited by Helmut Gilnzler and Alex Williams
Wiley-VCH, 2001
Buku Referensi
Beyer, Hans, author
Prentice-Hall, 1996
Buku Referensi