Shirley, M. M., & Xu, L. C. (1997). Information, incentives, and commitment: An empirical analysis of contracrts between government and state entertprises. Policy Research Dept.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Shirley, Mary M., و L Colin Xu. Information, Incentives, and Commitment: An Empirical Analysis of Contracrts Between Government and State Entertprises. Washington, D.C: Policy Research Dept, 1997.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Shirley, Mary M., و L Colin Xu. Information, Incentives, and Commitment: An Empirical Analysis of Contracrts Between Government and State Entertprises. Policy Research Dept, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.