Blaikie, P. (1985). The Political economy of soil erosion in developing countries. Longman development.
Lua i Stíl Chicago (17ú heag.)Blaikie, Piers. The Political Economy of Soil Erosion in Developing Countries. New york: Longman development, 1985.
Lua MLA (9ú heag.)Blaikie, Piers. The Political Economy of Soil Erosion in Developing Countries. Longman development, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.