Velde, E. J. V. (1989). Irrigation management in Pakistan mountain environment. Lahore, Pakistan: International irrigation Management Institute.
シカゴスタイル引用形Velde, Edward J. Vander. Irrigation Management in Pakistan Mountain Environment. Lahore, Pakistan: International irrigation Management Institute, 1989.
MLA引用形式Velde, Edward J. Vander. Irrigation Management in Pakistan Mountain Environment. Lahore, Pakistan: International irrigation Management Institute, 1989.
警告: この引用は必ずしも正確ではありません.