(1997). Strategies for The Prevention of Blindness in National Programmes. W. H.O.
Chicagoスタイル(17版)引用形式Strategies for The Prevention of Blindness in National Programmes. Ginebra: W. H.O, 1997.
MLA(9版)引用形式Strategies for The Prevention of Blindness in National Programmes. W. H.O, 1997.
警告: この引用は必ずしも正確ではありません.