Collier, P., Gunning, J., & Paulson, J. (1999). The Impact of Liberalisation on Private Investment. Macmillan Press.
Lua i Stíl Chicago (17ú heag.)Collier, P., J. Gunning, agus J. Paulson. The Impact of Liberalisation on Private Investment. Macmillan Press, 1999.
Lua MLA (9ú heag.)Collier, P., et al. The Impact of Liberalisation on Private Investment. Macmillan Press, 1999.
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