Dyfyniad APA

International Organization for Standardization. [Norma ISO 27000].

Dyfyniad Arddull Chicago

International Organization for Standardization. [Norma ISO 27000].

Dyfyniad MLA

International Organization for Standardization. [Norma ISO 27000].

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