Paysant, Andre
Armand Colin, 1999
Buku Teks
Buchanan, James M., author
Richard D. Irwin, 1968
Buku Teks
Ramanadham, V.V.
Asia Publishing House, 1963
Buku Teks
Claxton, john, author
Glorier International, 1999
Buku Referensi
Tidwell, Gary L
John Wiley Sons Inc, 1993
Buku Teks