APA

WHO Scientific Group on Techniques for the Collection and Reporting of Data on Community Water Supply (1971 : Geneva), World Health Organization, . (1972). Techniques for the collection and reporting of data on community water supply : report of a WHO scientific group [meeting held in Geneva from 24 to 30 August 1971]. Geneva: World Health Organization.

Chicago

WHO Scientific Group on Techniques for the Collection and Reporting of Data on Community Water Supply (1971 : Geneva), World Health Organization, . 1972. Techniques for the collection and reporting of data on community water supply : report of a WHO scientific group [meeting held in Geneva from 24 to 30 August 1971]. Geneva: World Health Organization.

Harvard

WHO Scientific Group on Techniques for the Collection and Reporting of Data on Community Water Supply (1971 : Geneva), World Health Organization, . (1972). Techniques for the collection and reporting of data on community water supply : report of a WHO scientific group [meeting held in Geneva from 24 to 30 August 1971]. Geneva: World Health Organization.

MLA

WHO Scientific Group on Techniques for the Collection and Reporting of Data on Community Water Supply (1971 : Geneva), World Health Organization, . Techniques for the collection and reporting of data on community water supply : report of a WHO scientific group [meeting held in Geneva from 24 to 30 August 1971]. Geneva: World Health Organization. 1972.