Neubourg, C. d., .Tinbergen, J., .Jorgenson, D. W., & .Waelbroeck, J. (1988). Unemployment, labour slack, and labour market accounting: Theory, evidence, and policy. North-Holland ; Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Neubourg, Chris de, J. .Tinbergen, D. W. .Jorgenson, و J. .Waelbroeck. Unemployment, Labour Slack, and Labour Market Accounting: Theory, Evidence, and Policy. Amsterdam ; New York : New York, N.Y., U.S.A.: North-Holland ; Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co., 1988.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Neubourg, Chris de, et al. Unemployment, Labour Slack, and Labour Market Accounting: Theory, Evidence, and Policy. North-Holland ; Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co., 1988.