APA

World Health Organization. Regional Office for the Western Pacific, Hueb J. A., Thompson T., Henderson M., World Health Organization. Regional Office for the Western Pacific & UNICEF. (2009). Water supply and sanitation sector assessments. Manila: World Health Organization. Regional Office for the Western Pacific.

Chicago

World Health Organization. Regional Office for the Western Pacific, Hueb Jose Augusto, Thompson Terrence, Henderson Mark, World Health Organization. Regional Office for the Western Pacific and UNICEF. 2009. Water supply and sanitation sector assessments. Manila: World Health Organization. Regional Office for the Western Pacific.

Harvard

World Health Organization. Regional Office for the Western Pacific, Hueb J. A., Thompson T., Henderson M., World Health Organization. Regional Office for the Western Pacific and UNICEF. (2009). Water supply and sanitation sector assessments. Manila: World Health Organization. Regional Office for the Western Pacific.

MLA

World Health Organization. Regional Office for the Western Pacific, Hueb Jose Augusto, Thompson Terrence, Henderson Mark, World Health Organization. Regional Office for the Western Pacific and UNICEF. Water supply and sanitation sector assessments. Manila: World Health Organization. Regional Office for the Western Pacific. 2009.