ebrary, Inc. (1991). Toward sustainability: Soil and water research priorities for developing countries. National Academy Press.
Chicagoスタイル(17版)引用形式ebrary, Inc. Toward Sustainability: Soil and Water Research Priorities for Developing Countries. Washington, D.C.: National Academy Press, 1991.
MLA(9版)引用形式ebrary, Inc. Toward Sustainability: Soil and Water Research Priorities for Developing Countries. National Academy Press, 1991.
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