1. Japan Bioplastics Association (JBPA). GreenPla®, http://www.jbpaweb.net/english/english.htm.
2. Biopolymers: Reuse, Recycling, and Disposal;Niaounakis,2013
3. Bioplastics in consumer electronics;Ravenstijn;Ind Biotechnol,2010
4. Public law 107–171—May 13. Farm Security and Rural Investment Act of 2002.
5. United Sates Department of Agriculture (USDA) –Biopreferred Program. USDA Biopreferred brand guide addendum–definitions and frequently asked questions, http://www.biopreferred.gov/FILES/Defintions_and_FAQs.pdf.