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Lua i Stíl Chicago (17ú heag.)National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Special Committee on Electronic Research in the Highway Field, agus National Research Council (U.S.). Highway Research Board. Committee on Land Acquisition and Control of Highway Access and Adjacent Areas. Coding Techniques: 3 Reports. Washington, D.C: National Academy of Science - National Research Council, 1967.
Lua MLA (9ú heag.)National Research Council (U.S.). Highway Research Board, et al. Coding Techniques: 3 Reports. National Academy of Science - National Research Council, 1967.