Körner, T., & Puch, K. (2011). Coherence of German Labour Market Statistics: The Labour Force Survey in comparison with the Employment Accounts and the Unemployment Register.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Körner, Thomas, و Katharina Puch. Coherence of German Labour Market Statistics: The Labour Force Survey in Comparison with the Employment Accounts and the Unemployment Register. Wiesbaden, 2011.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Körner, Thomas, و Katharina Puch. Coherence of German Labour Market Statistics: The Labour Force Survey in Comparison with the Employment Accounts and the Unemployment Register. 2011.
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