Dyfyniad APA

Fried. (2008). The measurement of productive efficiency and productivity change. Oxford.

Dyfyniad Arddull Chicago

Fried. The Measurement of Productive Efficiency and Productivity Change. Oxford, 2008.

Dyfyniad MLA

Fried. The Measurement of Productive Efficiency and Productivity Change. Oxford, 2008.

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