Cone, Carolll, author
John Wiley & Sons, 1980
Buku Teks
Mahon, Harold P., author
Prentice-Hall, 1983.
Buku Teks
Macedo, Manuel C., author
John Wiley & Sons, 1983
Buku Teks
Meckler, Milton
McGraw-Hill, 1980
Buku Teks
Harris, Douglas, author
Spon Press, 2012
Buku Teks