Estache, A., & Gómez-Lobo, A. (2003). The limits to competition in urban bus services in developing countries. Universidad de Chile.
Chicago Style (17th ed.) ZitazioaEstache, Antonio, eta Andrés Gómez-Lobo. The Limits to Competition in Urban Bus Services in Developing Countries. Santiago: Universidad de Chile, 2003.
MLA (9th ed.) ZitazioaEstache, Antonio, eta Andrés Gómez-Lobo. The Limits to Competition in Urban Bus Services in Developing Countries. Universidad de Chile, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.