National Research Council (U.S.). Highway Research Board. (1961). Soil stabilization with portland cement. National Academy of Sciences-National Research Council.
Παραπομπή σε μορφή Chicago (17η εκδ.)National Research Council (U.S.). Highway Research Board. Soil Stabilization with Portland Cement. Washington, D.C: National Academy of Sciences-National Research Council, 1961.
Παραπομπή σε μορφή MLA (9th εκδ.)National Research Council (U.S.). Highway Research Board. Soil Stabilization with Portland Cement. National Academy of Sciences-National Research Council, 1961.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.