Dyfyniad APA
Sutermeister, R. A. (1963). People and productivity. McGraw-Hill.
Dyfyniad Arddull Chicago
Sutermeister, Robert A. People and Productivity. New York: McGraw-Hill, 1963.
Dyfyniad MLA
Sutermeister, Robert A. People and Productivity. McGraw-Hill, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.