Ayob, K. (2011). Agriculture drainage affects river water quality. The Institution of Engineers, Malaysia.
シカゴスタイル引用形Ayob, Katimon. Agriculture Drainage Affects River Water Quality. The Institution of Engineers, Malaysia, 2011.
MLA引用形式Ayob, Katimon. Agriculture Drainage Affects River Water Quality. The Institution of Engineers, Malaysia, 2011.
警告: この引用は必ずしも正確ではありません.