Mannering, F. L., & Washburn, S. S. Principles of highway engineering and traffic analysis (5a ed.).
Lua i Stíl Chicago (17ú heag.)Mannering, Fred L., agus Scott S. Washburn. Principles of Highway Engineering and Traffic Analysis. 5a ed.
Lua MLA (8ú heag.)Mannering, Fred L., agus Scott S. Washburn. Principles of Highway Engineering and Traffic Analysis. 5a ed.
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