Hull, John C.
Simon & Schuster, 1993
Buku Teks
Hull, John C.
Prentice-Hall, 1993
Buku Teks
Hull, John C.
Prentice-Hall, 1989
Buku Teks
Baxter, Martin
Cambridge university press, 1996
Buku Teks
edited by Edmund Parker and Marcin Perzanowski
Global Law and Business, 2010
Buku Teks