Organisation for Economic Co-operation and Development, ProQuest (Firm), & Tremolet, S. (2011). Benefits of investing in water and sanitation: An OECD perspective. OECD.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Organisation for Economic Co-operation and Development, ProQuest (Firm), ба Sophie Tremolet. Benefits of Investing in Water and Sanitation: An OECD Perspective. [Paris]: OECD, 2011.
MLA -ийн эшлэл (9 дэх хэвлэлт)Organisation for Economic Co-operation and Development, et al. Benefits of Investing in Water and Sanitation: An OECD Perspective. OECD, 2011.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.