Peacock, K. W. (2008). Natural resources and sustainable: Development. Facts on file.
Citazione stile Chigago Style (17a edizione)Peacock, Kathy Wilson. Natural Resources and Sustainable: Development. New York: Facts on file, 2008.
Citatione MLA (9a ed.)Peacock, Kathy Wilson. Natural Resources and Sustainable: Development. Facts on file, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.