Sitasi

APA Format

World Health Organization (WHO) . (). Permissible levels of occupational exposure to airborne toxic substances, TRS.415. : Geneva WHO 1969

MLA Format

World Health Organization (WHO) . Permissible levels of occupational exposure to airborne toxic substances, TRS.415. : Geneva WHO 1969,

Australian/Harvard Format

World Health Organization (WHO) . . Permissible levels of occupational exposure to airborne toxic substances, TRS.415. Geneva WHO 1969,

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