Gaya APA
Benjamin, N., Mbaye, A, A. (2012).
The informal sector in francophone Africa .
Washington D.C:
The World Bank.
Gaya MLA
Benjamin, Nancy., Mbaye, Ahmadou, Aly.
"The informal sector in francophone Africa".
Washington D.C:
The World Bank,
2012.
Koleksi World Bank.