Sitasi

APA Format

World Health Organization (WHO) . (). The prevention of blindness, report of a WHO study group/WHO. : Geneva WHO 1973

MLA Format

World Health Organization (WHO) . The prevention of blindness, report of a WHO study group/WHO. : Geneva WHO 1973,

Australian/Harvard Format

World Health Organization (WHO) . . The prevention of blindness, report of a WHO study group/WHO. Geneva WHO 1973,

Warning: These citations may not always be 100% accurate.