Todd, James P., author
John Wiley & Sons, 1981
Buku Teks
Lokanathan, S., author
Prentice-Hall of India, 1991
Buku Teks
Knox, John H., author
John Wiley & Sons, 1978
Buku Teks
Rowley, Richard L.
PTR Prentice Hall, 1994
Buku Teks
Hemmo, Meir, author
Cambridge University Press, 2012
Buku Teks