APA (7. basım) Alıntı

Não informado. (1980). Soil and water conservation news. U.S. Department of Agriculture, Soil Conservation Service.

Chicago Style (17. basım) Atıf

Não informado. Soil and Water Conservation News. Washington: U.S. Department of Agriculture, Soil Conservation Service, 1980.

MLA (8th ed.) Atıf

Não informado. Soil and Water Conservation News. U.S. Department of Agriculture, Soil Conservation Service, 1980.

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