Παραπομπή APA

(1982). The soils of the flat wetland of the world, their distribution and their agricultural potential. Wageningen: International Soil Museum.

Παραπομπή Chicago Style

The Soils of the Flat Wetland of the World, Their Distribution and Their Agricultural Potential. Wageningen: International Soil Museum, 1982.

Παραπομπή MLA

The Soils of the Flat Wetland of the World, Their Distribution and Their Agricultural Potential. Wageningen: International Soil Museum, 1982.

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