Organisation for Economic Co-operation and Development & Haveman, R. H. (1982). Marginal employment subsidies. Organisation for Economic Co-operation and Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organisation for Economic Co-operation and Development و Robert H. Haveman. Marginal Employment Subsidies. Paris: Organisation for Economic Co-operation and Development, 1982.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Organisation for Economic Co-operation and Development و Robert H. Haveman. Marginal Employment Subsidies. Organisation for Economic Co-operation and Development, 1982.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.