de mel, s., mckenzie, d., & woodruff, c. (2007). returns to capital in microenterprises: Evidence from a filed experiment. The World Bank Development Research Group.
Chicago-viite (17. p.)de mel, suresh, david mckenzie, ja christopher woodruff. Returns to Capital in Microenterprises: Evidence from a Filed Experiment. Washington, D.C.: The World Bank Development Research Group, 2007.
MLA-viite (9. p.)de mel, suresh, et al. Returns to Capital in Microenterprises: Evidence from a Filed Experiment. The World Bank Development Research Group, 2007.
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