European Monitoring Centre for Drugs and Drug Addiction. (2010). Guidelines for collecting data on retail drug prices in Europe: Issues and challenges. Office for Official Publications of the European Communities.
Παραπομπή σε μορφή Chicago (17η εκδ.)European Monitoring Centre for Drugs and Drug Addiction. Guidelines for Collecting Data on Retail Drug Prices in Europe: Issues and Challenges. Luxembourg: Office for Official Publications of the European Communities, 2010.
Παραπομπή σε μορφή MLA (8th εκδ.)European Monitoring Centre for Drugs and Drug Addiction. Guidelines for Collecting Data on Retail Drug Prices in Europe: Issues and Challenges. Office for Official Publications of the European Communities, 2010.
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