The Wealth of the Commons: A World Beyond Market and State by David Bollier & Silke Helfrich. CC BY-SA 3.0
Ọrọ̀ Commons Náà: Ilé-ayé Tí Ó Ju Ọjà àti Ìpínlẹ̀ Lọ láti ọwọ́ David Bollier àti Silke Helfrich. CC BY-SA 3.0