WHO. (1989). Environmental health criteria; N.88: Polychlorinated; Dibenzo-para-dioxins and Dibenzofurans. Geneva: WHO.
Chicago Style aipamenaWHO. Environmental Health Criteria; N.88: Polychlorinated; Dibenzo-para-dioxins and Dibenzofurans. Geneva: WHO, 1989.
MLA aipamenaWHO. Environmental Health Criteria; N.88: Polychlorinated; Dibenzo-para-dioxins and Dibenzofurans. Geneva: WHO, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.