Dyfyniad APA

Adler, H. A. (1987). Economic appraisal of transport projects: A manual with casestudies (Revised and expanded edition.). Johns Hopkins University Press.

Dyfyniad Arddull Chicago

Adler, Hans A. Economic Appraisal of Transport Projects: A Manual with Casestudies. Revised and expanded edition. Baltimore: Johns Hopkins University Press, 1987.

Dyfyniad MLA

Adler, Hans A. Economic Appraisal of Transport Projects: A Manual with Casestudies. Revised and expanded edition. Johns Hopkins University Press, 1987.

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