1.
The economics of productivity. Cheltenham, UK: Edward Elgar; 1997.
The economics of productivity. Cheltenham, UK : Edward Elgar, 7 juin 1997. ISBN 1858984203
Wolff Edward N. (1997). The economics of productivity: 1. Edward Elgar.
MLA (8th ed.) CitationWolff Edward N. The Economics of Productivity: 1. Edward Elgar, 1997.
Warning: These citations may not always be 100% accurate.