Ellwein, L. B., & Kupfer, C. (1995). Strategic issues in preventing cataract blindness in developing countries. World Health Organization.
シカゴスタイル引用形Ellwein, L. B., , C. Kupfer. Strategic Issues in Preventing Cataract Blindness in Developing Countries. World Health Organization, 1995.
MLA引用形式Ellwein, L. B., , C. Kupfer. Strategic Issues in Preventing Cataract Blindness in Developing Countries. World Health Organization, 1995.
警告: この引用は必ずしも正確ではありません.