Oppeln-Bronikowski, S. v., Meinke, I., Günther, H., & Kronz, C. (2014). The 20th anniversary of the Fundamental Principles of Offical Statistics: Further promotion of worldwide compliance with professional, scientific and quality standards. Wirtschaft und Statistik.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Oppeln-Bronikowski, Sibylle von, Irina Meinke, Hannah Günther, و Christine Kronz. "The 20th Anniversary of the Fundamental Principles of Offical Statistics: Further Promotion of Worldwide Compliance with Professional, Scientific and Quality Standards." Wirtschaft Und Statistik 2014.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Oppeln-Bronikowski, Sibylle von, et al. "The 20th Anniversary of the Fundamental Principles of Offical Statistics: Further Promotion of Worldwide Compliance with Professional, Scientific and Quality Standards." Wirtschaft Und Statistik, 2014.