(2006). Soil and water conservation engineering. Thomson Delmar learning.
Chicagoスタイル(17版)引用形式Soil and Water Conservation Engineering. Thomson Delmar learning, 2006.
MLA(8版)引用形式Soil and Water Conservation Engineering. Thomson Delmar learning, 2006.
警告: この引用は必ずしも正確ではありません.