APA

World Health Organization W., . (1996). Guidelines for drinking-water quality : health criteria and other supporting information / World Health Organization. Geneva: World Health Organization.

Chicago

World Health Organization Who, . 1996. Guidelines for drinking-water quality : health criteria and other supporting information / World Health Organization. Geneva: World Health Organization.

Harvard

World Health Organization W., . (1996). Guidelines for drinking-water quality : health criteria and other supporting information / World Health Organization. Geneva: World Health Organization.

MLA

World Health Organization Who, . Guidelines for drinking-water quality : health criteria and other supporting information / World Health Organization. Geneva: World Health Organization. 1996.