Dyfyniad APA

WHO. (1994). Environmental health criteria; N170: Assessing human health kisks of chemicals: Derivetion of guidance values for health-based exposure limits. Geneva: WHO.

Dyfyniad Arddull Chicago

WHO. Environmental Health Criteria; N170: Assessing Human Health Kisks of Chemicals: Derivetion of Guidance Values for Health-based Exposure Limits. Geneva: WHO, 1994.

Dyfyniad MLA

WHO. Environmental Health Criteria; N170: Assessing Human Health Kisks of Chemicals: Derivetion of Guidance Values for Health-based Exposure Limits. Geneva: WHO, 1994.

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