Neumark, D. (1999). Changes in job stability and job security: A collective effort to untangle, reconcile and interpret the evidence. National Bureau of Economic Research.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Neumark, David. Changes in Job Stability and Job Security: A Collective Effort to Untangle, Reconcile and Interpret the Evidence. Cambridge: National Bureau of Economic Research, 1999.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Neumark, David. Changes in Job Stability and Job Security: A Collective Effort to Untangle, Reconcile and Interpret the Evidence. National Bureau of Economic Research, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.