Dyfyniad APA

Institute of Quality Assurance. (1994). Quality world. Institute of Quality Assurance.

Dyfyniad Arddull Chicago

Institute of Quality Assurance. Quality World. London: Institute of Quality Assurance, 1994.

Dyfyniad MLA

Institute of Quality Assurance. Quality World. Institute of Quality Assurance, 1994.

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