Παραπομπή APA
Greef, M. d., Broek, K. v. d., & European Commission. (2004). Quality of the working environment and productivity: Research findings and case studies. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleGreef, Marc de., Karla van den Broek, and European Commission. Quality of the Working Environment and Productivity: Research Findings and Case Studies. Luxembourg: Office for Official Publications of the European Communities, 2004.
Παραπομπή MLAGreef, Marc de., Karla van den Broek, and European Commission. Quality of the Working Environment and Productivity: Research Findings and Case Studies. Luxembourg: Office for Official Publications of the European Communities, 2004.
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