G Harold. (1985). Erosion: Its causes and cure. International book distributors.
シカゴスタイル引用形G Harold. Erosion: Its Causes and Cure. New Delhi: International book distributors, 1985.
MLA引用形式G Harold. Erosion: Its Causes and Cure. International book distributors, 1985.
警告: この引用は必ずしも正確ではありません.