Παραπομπή APA
Dovring, F. (1987). Productivity and value: The political economy of measuring progress. New York ; Westport, Connecticut ; London: Praeger.
Παραπομπή Chicago StyleDovring, Folke. Productivity and Value: The Political Economy of Measuring Progress. New York ; Westport, Connecticut ; London: Praeger, 1987.
Παραπομπή MLADovring, Folke. Productivity and Value: The Political Economy of Measuring Progress. New York ; Westport, Connecticut ; London: Praeger, 1987.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.