Dyfyniad APA

WHO. (1995). Environmental health criteria; N.168: Cresols. Geneva: WHO.

Dyfyniad Arddull Chicago

WHO. Environmental Health Criteria; N.168: Cresols. Geneva: WHO, 1995.

Dyfyniad MLA

WHO. Environmental Health Criteria; N.168: Cresols. Geneva: WHO, 1995.

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