APA
World Health Organization, . (1996). World health statistics annual : 1995. World Health Organization, Geneva: .
Chicago
World Health Organization, . 1996. World health statistics annual : 1995. World Health Organization, Geneva: .
Harvard
World Health Organization, . (1996). World health statistics annual : 1995. World Health Organization, Geneva: .
MLA
World Health Organization, . World health statistics annual : 1995. World Health Organization, Geneva: . 1996.