Chicago, Ill. Commerce Clearing House 1966,
Buku Teks
edited by Andrea Amatucci ; with the colloraboration of Eusebio González, Christoph Trzaskalik
Kluwer Law International ; Frederick, MD : Sold and distributed in North, Central and South America by Aspen Publishers, 2006
Buku Teks
Gunadi, author
[publisher not identified], 2001
Buku Teks
Harvard Business School, 1997
Buku Teks
Helminen, Marjaana, author
Wolters Kluwer Law & Business, 2010
Buku Referensi