Dyfyniad APA

(1988). Man-made Mineral Fibres; Fibras minerales artificiales. World Health Organization.

Dyfyniad Arddull Chicago

Man-made Mineral Fibres; Fibras Minerales Artificiales. Geneva: World Health Organization, 1988.

Dyfyniad MLA

Man-made Mineral Fibres; Fibras Minerales Artificiales. World Health Organization, 1988.

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