World Health Organization. (1984). The International Drinking Water Supply and Sanitation Decade directory (2nd ed.). World Water Magazine.
Chicago (17e ed.) BronvermeldingWorld Health Organization. The International Drinking Water Supply and Sanitation Decade Directory. 2nd ed. [London]: World Water Magazine, 1984.
MLA (8e ed.) BronvermeldingWorld Health Organization. The International Drinking Water Supply and Sanitation Decade Directory. 2nd ed. World Water Magazine, 1984.
Let op: Deze citaties zijn niet altijd 100% accuraat.