U ASWATHANARAYANA. (1999). Soil resources and the environment. Enfield, New Hampshire: Science.
シカゴスタイル引用形U ASWATHANARAYANA. Soil Resources and the Environment. Enfield, New Hampshire: Science, 1999.
MLA引用形式U ASWATHANARAYANA. Soil Resources and the Environment. Enfield, New Hampshire: Science, 1999.
警告: この引用は必ずしも正確ではありません.