Sitasi

APA Format

World Health Organization . (2003). State of the world's vacciness and immunization. Geneva : WHO

MLA Format

World Health Organization . State of the world's vacciness and immunization. Geneva : WHO, 2003

Australian/Harvard Format

World Health Organization . 2003. State of the world's vacciness and immunization. WHO, Geneva

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