Cita APA (7th ed.)

Blaikie, P. (1985). The Political economy of soil erosion in developing countries. Longman development.

Cita Chicago (17th ed.)

Blaikie, Piers. The Political Economy of Soil Erosion in Developing Countries. New york: Longman development, 1985.

Cita MLA (9th ed.)

Blaikie, Piers. The Political Economy of Soil Erosion in Developing Countries. Longman development, 1985.