Couto, A., & Graham, D. J. (2009). The determinants of efficiency and productivity in European railways.
Chicago Style (17th ed.) CitationCouto, António, and Daniel J. Graham. The Determinants of Efficiency and Productivity in European Railways. 2009.
MLA (8th ed.) CitationCouto, António, and Daniel J. Graham. The Determinants of Efficiency and Productivity in European Railways. 2009.
Warning: These citations may not always be 100% accurate.