Sitasi

APA Format

World Health Organization . (1969). Guide to the laboratory diagnosis of smallpox for smallpox eradication programmes. Geneva : WHO

MLA Format

World Health Organization . Guide to the laboratory diagnosis of smallpox for smallpox eradication programmes. Geneva : WHO, 1969

Australian/Harvard Format

World Health Organization . 1969. Guide to the laboratory diagnosis of smallpox for smallpox eradication programmes. WHO, Geneva

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