Thorbecke, E. (1975). Agriculture, poverty and freedom in developing countries. Macmillan.
Cita Chicago (17th ed.)Thorbecke, Eric. Agriculture, Poverty and Freedom in Developing Countries. London: Macmillan, 1975.
Cita MLA (9th ed.)Thorbecke, Eric. Agriculture, Poverty and Freedom in Developing Countries. Macmillan, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.