Soe, Myint, author
Singapore Insurance Training Centre, 1977
Buku Teks
Henderson, Roger C., author
Michie Law , 1996
Buku Teks
Hodgin, Ray
Cavendish Publishing , 2002
Buku Teks
Ebb, Lawrence F.
West Publishing Company, 1964
Buku Teks
Ebb, Lawrence F., author
West Publishing, 1964
Buku Teks