Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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