Dyfyniad APA

World Health Organization, Geneva. (1989). Environmental health criteria 93: Chlorophenols other than pentachlorophenol: IPCS International Programme on Chemical Safety. World Health Organization.

Dyfyniad Arddull Chicago

World Health Organization, Geneva. Environmental Health Criteria 93: Chlorophenols Other than Pentachlorophenol: IPCS International Programme on Chemical Safety. Geneva: World Health Organization, 1989.

Dyfyniad MLA

World Health Organization, Geneva. Environmental Health Criteria 93: Chlorophenols Other than Pentachlorophenol: IPCS International Programme on Chemical Safety. World Health Organization, 1989.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.