Lua APA (7ú heag.)
Benjamin, N. C., Mbaye, A. A., & Diop, I. T. (2012). The informal sector in Francophone Africa: Firm size, productivity and institutions. World Bank.
Lua i Stíl Chicago (17ú heag.)
Benjamin, Nancy C., Ahmadou Aly Mbaye, agus Ibrahima Thione Diop. The Informal Sector in Francophone Africa: Firm Size, Productivity and Institutions. Washington, D.C.: World Bank, 2012.
Lua MLA (9ú heag.)
Benjamin, Nancy C., et al. The Informal Sector in Francophone Africa: Firm Size, Productivity and Institutions. World Bank, 2012.
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