Müller, W. (2014). Does an unconditional basic income provide higher effectiveness and efficiency?: An analysis of the social security systems of Germany, Sweden and the United Kingdom. Anchor Academic Publishing.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Müller, Wolfgang. Does an Unconditional Basic Income Provide Higher Effectiveness and Efficiency?: An Analysis of the Social Security Systems of Germany, Sweden and the United Kingdom. Hamburg, Germany: Anchor Academic Publishing, 2014.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Müller, Wolfgang. Does an Unconditional Basic Income Provide Higher Effectiveness and Efficiency?: An Analysis of the Social Security Systems of Germany, Sweden and the United Kingdom. Anchor Academic Publishing, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.