United States. Federal Highway Administration\nUnited States. Bureau of Public Roads\nUnited States. Federal Highway Administration. Offices of Research, Development, and Technology\nUnited States. Federal Highway Administration. Office of Research and Development. (1918). Public Roads: A journal of highway research. U.S. Federal Highway Administration.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited States. Federal Highway Administration\nUnited States. Bureau of Public Roads\nUnited States. Federal Highway Administration. Offices of Research, Development, and Technology\nUnited States. Federal Highway Administration. Office of Research and Development. Public Roads: A Journal of Highway Research. Washington: U.S. Federal Highway Administration, 1918.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnited States. Federal Highway Administration\nUnited States. Bureau of Public Roads\nUnited States. Federal Highway Administration. Offices of Research, Development, and Technology\nUnited States. Federal Highway Administration. Office of Research and Development. Public Roads: A Journal of Highway Research. U.S. Federal Highway Administration, 1918.