Burnet, Macfarlane
Melbourne Heinemann 1970,
Buku Teks
Richardson, W. Norman, author
Macmillan, 1976
Buku Teks
Inglis, J.K., author
Pergamon Press , 1974
Buku Teks
Simom, Herbert A.
John Wiley & Sons, 1957
Buku Teks
Ray, Oakley
Mosby Comp., 1996
Buku Teks