Balassa, B. A. (1990). Indicative planning in developing countries. Office of the Vice President, Development Economics, World Bank.
Cita Chicago (17th ed.)Balassa, Bela A. Indicative Planning in Developing Countries. Washington, D.C: Office of the Vice President, Development Economics, World Bank, 1990.
Cita MLA (9th ed.)Balassa, Bela A. Indicative Planning in Developing Countries. Office of the Vice President, Development Economics, World Bank, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.