Mohring, H., & Harwitz, M. (1962). Highway benefits; an analytical framework. Published for the Transportation Center at Northwestern University by Northwestern University Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Mohring, Herbert, και Mitchell Harwitz. Highway Benefits; an Analytical Framework. Evanston, Ill: Published for the Transportation Center at Northwestern University by Northwestern University Press, 1962.
Παραπομπή σε μορφή MLA (9th εκδ.)Mohring, Herbert, και Mitchell Harwitz. Highway Benefits; an Analytical Framework. Published for the Transportation Center at Northwestern University by Northwestern University Press, 1962.
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