(1995). Natural resource economics. CanTho (Vietnam): CanTho University.
シカゴスタイル引用形Natural Resource Economics. CanTho (Vietnam): CanTho University, 1995.
MLA引用形式Natural Resource Economics. CanTho (Vietnam): CanTho University, 1995.
警告: この引用は必ずしも正確ではありません.