Gaya APA

WHO, . (1984). The International Drinking Water Supply and Sanitation Decade . Genewa: UNDP/World Health Organization/WHO Special Programme for Research and TDR.

Gaya MLA

WHO, . "The International Drinking Water Supply and Sanitation Decade". Genewa: UNDP/World Health Organization/WHO Special Programme for Research and TDR, 1984. Text.