Commercial Barter Systems
- Barter Training Manual. New Zealand. Copyright 2006 by XO Limited and Daniel
- Barter Systems, Inc: http://www.bartersys.com/index.asp. The leader in the
commercial barter industry who offers exchange by way of goods and services and no cash.
- Engineering the Knowledge Society: CyberTroc- A Barter System for the Information
Society: http://ict.satw.ch/SPIP/article.php3?id_article=41. An article about CyberTroc, a type of internet-based barter system.