Dyfyniad APA

American Society for Quality Control.; American Society for Quality. (1967). Quality progress. American Society for Quality Control.

Dyfyniad Arddull Chicago

American Society for Quality Control.; American Society for Quality. Quality Progress. Milwaukee, Wis: American Society for Quality Control, 1967.

Dyfyniad MLA

American Society for Quality Control.; American Society for Quality. Quality Progress. American Society for Quality Control, 1967.

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