Ndulu, B. J., & Chakraborti, L. (2007). Challenges of African growth: Opportunities, constraints, and strategic directions. World Bank.
Cytowanie według stylu Chicago (wyd. 17)Ndulu, B. J., i Lopamudra Chakraborti. Challenges of African Growth: Opportunities, Constraints, and Strategic Directions. Washington D.C.: World Bank, 2007.
Cytowanie według stylu MLA (wyd. 9)Ndulu, B. J., i Lopamudra Chakraborti. Challenges of African Growth: Opportunities, Constraints, and Strategic Directions. World Bank, 2007.