Oglesby, C. H., & Altenhofen, M. J. (1969). Economics of design standards for low-volume rural roads. Highway Research Board, National Research Council.
Chicago-viite (17. p.)Oglesby, Clarkson H., ja M. J. Altenhofen. Economics of Design Standards for Low-volume Rural Roads. Washington, D.C: Highway Research Board, National Research Council, 1969.
MLA-viite (9. p.)Oglesby, Clarkson H., ja M. J. Altenhofen. Economics of Design Standards for Low-volume Rural Roads. Highway Research Board, National Research Council, 1969.
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