Collier, P., Gunning, J., & Bevan, D. (2000). African Trade Liberalizations: Alternative Strategies for Sustainable Reform [Aid and Exchange Rate Adjustment in African Trade Liberalisations]. Macmillan Press.

Collier, P., J. Gunning, and D. Bevan. African Trade Liberalizations: Alternative Strategies for Sustainable Reform [Aid and Exchange Rate Adjustment in African Trade Liberalisations]. Macmillan Press, 2000.

Collier, P., et al. African Trade Liberalizations: Alternative Strategies for Sustainable Reform [Aid and Exchange Rate Adjustment in African Trade Liberalisations]. Macmillan Press, 2000.