Keefer, R. F. (2000). Handbook of soils for landscape architects. Oxford University.
シカゴスタイル引用形Keefer, Robert F. Handbook of Soils for Landscape Architects. New York: Oxford University, 2000.
MLA引用形式Keefer, Robert F. Handbook of Soils for Landscape Architects. Oxford University, 2000.
警告: この引用は必ずしも正確ではありません.