Blaikie, P. (1985). The Political economy of soil erosion in developing countries. Longman development.
Citação do estilo Chicago (17ª ed.)Blaikie, Piers. The Political Economy of Soil Erosion in Developing Countries. New york: Longman development, 1985.
Citação MLA (9ª ed.)Blaikie, Piers. The Political Economy of Soil Erosion in Developing Countries. Longman development, 1985.