APA
World Health Organization, . (1989). Polychlorinated dibenzo-para-dioxins and dibenzofurans. World Health Organization, Geneva: .
Chicago
World Health Organization, . 1989. Polychlorinated dibenzo-para-dioxins and dibenzofurans. World Health Organization, Geneva: .
Harvard
World Health Organization, . (1989). Polychlorinated dibenzo-para-dioxins and dibenzofurans. World Health Organization, Geneva: .
MLA
World Health Organization, . Polychlorinated dibenzo-para-dioxins and dibenzofurans. World Health Organization, Geneva: . 1989.