APA
World Health Organization, . (2000). Guide to eliminating leprosy as a public health problem. Geneva: WHO.
Chicago
World Health Organization, . 2000. Guide to eliminating leprosy as a public health problem. Geneva: WHO.
Harvard
World Health Organization, . (2000). Guide to eliminating leprosy as a public health problem. Geneva: WHO.
MLA
World Health Organization, . Guide to eliminating leprosy as a public health problem. Geneva: WHO. 2000.