Buckley, John W., 1934-, author
John Wiley & Sons, 1980
Buku Teks
Loss, Louis
Little, Brown , 1988
Buku Teks
Vidal, Eduardo, author
Global Law and Business, 2011
Buku Teks
Hills, George S., author
Garland Pubishing, 1982
Buku Teks
Israels, Carlos L.
Warren, Gorham and Lamont,Inc., 1971
Buku Teks