de mel, s., mckenzie, d., & woodruff, c. (2007). returns to capital in microenterprises: Evidence from a filed experiment. The World Bank Development Research Group.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)de mel, suresh, david mckenzie, و christopher woodruff. Returns to Capital in Microenterprises: Evidence from a Filed Experiment. Washington, D.C.: The World Bank Development Research Group, 2007.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)de mel, suresh, et al. Returns to Capital in Microenterprises: Evidence from a Filed Experiment. The World Bank Development Research Group, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.