Muysken, J., Neubourg, C. d., & Burg, H. v. d. (1982). Regional and occupational labour market imperfections, the Netherlands, 1955-1980. Institute of Economic Research, Faculty of Economics, University of Groningen.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Muysken, Joan, C. de Neubourg, و H. van der Burg. Regional and Occupational Labour Market Imperfections, the Netherlands, 1955-1980. [Groningen]: Institute of Economic Research, Faculty of Economics, University of Groningen, 1982.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Muysken, Joan, et al. Regional and Occupational Labour Market Imperfections, the Netherlands, 1955-1980. Institute of Economic Research, Faculty of Economics, University of Groningen, 1982.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.