Ingram, G. K., & Liu, Z. (1997). Motorization and the provision of roads in countries and cities. World Bank Transport.
Citace podle Chicago (17th ed.)Ingram, Gregory K., a Zhi Liu. Motorization and the Provision of Roads in Countries and Cities. Washington, DC: World Bank Transport, 1997.
Citace podle MLA (9th ed.)Ingram, Gregory K., a Zhi Liu. Motorization and the Provision of Roads in Countries and Cities. World Bank Transport, 1997.
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