Dyfyniad APA
Assembly of Behavioral and Social Sciences (U.S.). Panel to Review Productivity Statistics & ebrary, Inc. (1979). Measurement and interpretation of productivity. National Academy of Sciences.
Dyfyniad Arddull Chicago
Assembly of Behavioral and Social Sciences (U.S.). Panel to Review Productivity Statistics and Inc ebrary. Measurement and Interpretation of Productivity. Washington: National Academy of Sciences, 1979.
Dyfyniad MLA
Assembly of Behavioral and Social Sciences (U.S.). Panel to Review Productivity Statistics and Inc ebrary. Measurement and Interpretation of Productivity. National Academy of Sciences, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.