Challen,Ray. (2000). Institutions transaction costs and environmental policy: Institutional reform for water resources. Edward Elgar.
استشهاد بنمط شيكاغوChallen,Ray. Institutions Transaction Costs and Environmental Policy: Institutional Reform for Water Resources. U K: Edward Elgar, 2000.
MLA استشهادChallen,Ray. Institutions Transaction Costs and Environmental Policy: Institutional Reform for Water Resources. Edward Elgar, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.