Παραπομπή APA

World Development Indicators. (2011). The little data book on private sector development 2011. Washington, D.C.: World Bank.

Παραπομπή Chicago Style

World Development Indicators. The Little Data Book On Private Sector Development 2011. Washington, D.C.: World Bank, 2011.

Παραπομπή MLA

World Development Indicators. The Little Data Book On Private Sector Development 2011. Washington, D.C.: World Bank, 2011.

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