Sloan, Irving J.
Ocean Publications, 1988
Buku Teks
Callahan, Parnell Joseph Terence, author
Oceana Publications, 1970
Buku Teks
Dobbyn, John F., author
West Publishing, 1989
Buku Teks
Dobbyn, John F., author
West Publishing, 1996
Buku Teks
Henderson, Roger C., author
Michie Law , 1996
Buku Teks