Whittington, D. (1994). The economic benefits of potable water supply projects to households in developing countries. Manila: Asian Development Bank.
シカゴスタイル引用形Whittington, Dale. The Economic Benefits of Potable Water Supply Projects to Households in Developing Countries. Manila: Asian Development Bank, 1994.
MLA引用形式Whittington, Dale. The Economic Benefits of Potable Water Supply Projects to Households in Developing Countries. Manila: Asian Development Bank, 1994.
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