National Cooperative Highway Research Program. (1982). NCHRP research on bridge engineering: An NCHRP staff digest of the progress and status of bridge engineering research under the National Cooperative Highway Research Program. Transportation Research Board, National Research Council.
Цитирование в стиле Чикаго (17-е изд.)National Cooperative Highway Research Program. NCHRP Research on Bridge Engineering: An NCHRP Staff Digest of the Progress and Status of Bridge Engineering Research Under the National Cooperative Highway Research Program. Washington, D.C: Transportation Research Board, National Research Council, 1982.
Цитирование MLA (9-е изд.)National Cooperative Highway Research Program. NCHRP Research on Bridge Engineering: An NCHRP Staff Digest of the Progress and Status of Bridge Engineering Research Under the National Cooperative Highway Research Program. Transportation Research Board, National Research Council, 1982.