APA (7th ed.) Zitazioa

Trémolet, S. (2011). Benefits of investing in water and sanitation: An OECD perspective. OECD.

Chicago Style (17th ed.) Zitazioa

Trémolet, Sophie. Benefits of Investing in Water and Sanitation: An OECD Perspective. [Paris]: OECD, 2011.

MLA (9th ed.) Zitazioa

Trémolet, Sophie. Benefits of Investing in Water and Sanitation: An OECD Perspective. OECD, 2011.