World Health Organization. (1977). Community water supply and excreta disposal in South East Asia. WHO.
シカゴスタイル引用形World Health Organization. Community Water Supply and Excreta Disposal in South East Asia. New Delhi: WHO, 1977.
MLA引用形式World Health Organization. Community Water Supply and Excreta Disposal in South East Asia. WHO, 1977.
警告: この引用は必ずしも正確ではありません.