(1997). Strategies for The Prevention of Blindness in National Programmes. W. H.O.
芝加哥风格引文Strategies for The Prevention of Blindness in National Programmes. Ginebra: W. H.O, 1997.
MLA引文Strategies for The Prevention of Blindness in National Programmes. W. H.O, 1997.
警告：这些引文格式不一定是100％准确.