(1981). Sanitation in developing countries: Proceedings.
シカゴスタイル引用形Sanitation in Developing Countries: Proceedings. 1981.
MLA引用形式Sanitation in Developing Countries: Proceedings. 1981.
警告: この引用は必ずしも正確ではありません.
APA引用形式
(1981). Sanitation in developing countries: Proceedings.
シカゴスタイル引用形Sanitation in Developing Countries: Proceedings. 1981.
MLA引用形式Sanitation in Developing Countries: Proceedings. 1981.