Universität Bielefeld, European Commission. Directorate-General for Health and Consumer Protection, Ebers, M., Twigg-Flesner, C., & Schulte-Nölke, H. (2008). EC consumer law compendium: The consumer acquis and its transposition in the member state [i.e. states]. sellier european law publishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Universität Bielefeld, European Commission. Directorate-General for Health and Consumer Protection, Martin Ebers, Christian Twigg-Flesner, و Hans Schulte-Nölke. EC Consumer Law Compendium: The Consumer Acquis and Its Transposition in the Member State [i.e. States]. Munich, Germany: sellier european law publishers, 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Universität Bielefeld, et al. EC Consumer Law Compendium: The Consumer Acquis and Its Transposition in the Member State [i.e. States]. sellier european law publishers, 2008.