(2009). Smart green: How to implement sustainable business practices in any industry and make money / Jonathan Estes.
Chicago-referens (17:e uppl.)Smart Green: How to Implement Sustainable Business Practices in Any Industry and Make Money / Jonathan Estes. 2009.
MLA-referens (9:e uppl.)Smart Green: How to Implement Sustainable Business Practices in Any Industry and Make Money / Jonathan Estes. 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.