Dyfyniad APA

National Productivity Corporation. (2001). A glossary of productivity and quality terminologies. National Productivity Corporation.

Dyfyniad Arddull Chicago

National Productivity Corporation. A Glossary of Productivity and Quality Terminologies. Petaling Jaya: National Productivity Corporation, 2001.

Dyfyniad MLA

National Productivity Corporation. A Glossary of Productivity and Quality Terminologies. National Productivity Corporation, 2001.

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