Dyfyniad APA

Venables, A., & Laird, J. (2017). Transport investment and economic performance: A framework for project appraisal. Elsevier.

Dyfyniad Arddull Chicago

Venables, A., and J. Laird. Transport Investment and Economic Performance: A Framework for Project Appraisal. Elsevier, 2017.

Dyfyniad MLA

Venables, A., and J. Laird. Transport Investment and Economic Performance: A Framework for Project Appraisal. Elsevier, 2017.

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