National Research Council (U.S.). Committee on Long-Range Soil and Water Conservation. (1993). Soil and water quality : an agenda for agriculture: An agenda for agriculture. Washington, D.C.: National Academy Press.
シカゴスタイル引用形National Research Council (U.S.). Committee on Long-Range Soil and Water Conservation. Soil and Water Quality : An Agenda for Agriculture: An Agenda for Agriculture. Washington, D.C.: National Academy Press, 1993.
MLA引用形式National Research Council (U.S.). Committee on Long-Range Soil and Water Conservation. Soil and Water Quality : An Agenda for Agriculture: An Agenda for Agriculture. Washington, D.C.: National Academy Press, 1993.
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