National Productivity Corporation. (2001). A glossary of productivity and quality terminologies. National Productivity Corporation.
Chicagoスタイル(17版)引用形式National Productivity Corporation. A Glossary of Productivity and Quality Terminologies. Petaling Jaya: National Productivity Corporation, 2001.
MLA(8版)引用形式National Productivity Corporation. A Glossary of Productivity and Quality Terminologies. National Productivity Corporation, 2001.
警告: この引用は必ずしも正確ではありません.