Agricultural Sector symposium (8th:1988:World Bank) & Roberts, C. (1988). Trade, aid and policy reform. World Bank.
Cita Chicago (17th ed.)Agricultural Sector symposium (8th:1988:World Bank) i Colleen Roberts. Trade, Aid and Policy Reform. Washington: World Bank, 1988.
Cita MLA (9th ed.)Agricultural Sector symposium (8th:1988:World Bank) i Colleen Roberts. Trade, Aid and Policy Reform. World Bank, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.