Collier, P., & Paul Collier. (2007). The: Why the poorest countries are failing and what can be done about it. Oxford: Oxford University Press.
Chicago-стиль цитированияCollier, Paul, và Paul Collier. The: Why the Poorest Countries Are Failing and What Can Be Done About It. Oxford: Oxford University Press, 2007.
MLA-цитированиеCollier, Paul, và Paul Collier. The: Why the Poorest Countries Are Failing and What Can Be Done About It. Oxford: Oxford University Press, 2007.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.