National Research Council (U.S.). Highway Research Board. (1949). Compaction of soil: Two papers presented at the Twenty-eighth Annual Meeting, 1949. Highway Research Board.
Cita Chicago (17th ed.)National Research Council (U.S.). Highway Research Board. Compaction of Soil: Two Papers Presented at the Twenty-eighth Annual Meeting, 1949. Washington, D.C: Highway Research Board, 1949.
Cita MLA (9th ed.)National Research Council (U.S.). Highway Research Board. Compaction of Soil: Two Papers Presented at the Twenty-eighth Annual Meeting, 1949. Highway Research Board, 1949.
Atenció: Aquestes cites poden no estar 100% correctes.