Cita APA

Heggie, I. G. (1991). Optimal user charges and cost recovery for roads in developing countries. Washington: World Bank.

Citación estilo Chicago

Heggie, Ian G. Optimal User Charges and Cost Recovery for Roads in Developing Countries. Washington: World Bank, 1991.

Cita MLA

Heggie, Ian G. Optimal User Charges and Cost Recovery for Roads in Developing Countries. Washington: World Bank, 1991.

Precaución: Estas citas no son 100% exactas.