Trích dẫn APA

John, R. Handpumps: Toward a sustainable technology : research and development during the water supply and sanitation decade / John Reynolds. UNDP-Word bank.

Trích dẫn kiểu Chicago

John, Reynolds. Handpumps: Toward a Sustainable Technology : Research and Development During the Water Supply and Sanitation Decade / John Reynolds. UNDP-Word bank.

Trích dẫn MLA

John, Reynolds. Handpumps: Toward a Sustainable Technology : Research and Development During the Water Supply and Sanitation Decade / John Reynolds. UNDP-Word bank.

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