APA aipamena

World Health Organization & World Health Organization. (2005). Water for life, making it happen. World Health Orgnization.

Chicago Style aipamena

World Health Organization and World Health Organization. Water for Life, Making It Happen. : World Health Orgnization, 2005.

MLA aipamena

World Health Organization and World Health Organization. Water for Life, Making It Happen. World Health Orgnization, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.