Rutkowski, J. J. (1998). Welfare and the labor market in Poland social policy during economic transition. World Bank.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Rutkowski, Jan J. Welfare and the Labor Market in Poland Social Policy During Economic Transition. Washington, D.C: World Bank, 1998.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Rutkowski, Jan J. Welfare and the Labor Market in Poland Social Policy During Economic Transition. World Bank, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.