1. http://www.worldbusinessculture.com
2. http://www.businesslink.gov.uk
3. http://www.karrass.com
4. http://www.kwintessential.co.uk
5. http://hbswk.hbs.edu
6. http://www.deborahswallow.com
7. http://www.negotiationskills.com
8. Электронно-библиотечная система ЭБС IPRbooks - http://iprbookshop.ru