National Research Council (U.S.). Highway Research Board. (1961). Soil stabilization with portland cement. National Academy of Sciences-National Research Council.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNational Research Council (U.S.). Highway Research Board. Soil Stabilization with Portland Cement. Washington, D.C: National Academy of Sciences-National Research Council, 1961.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিNational Research Council (U.S.). Highway Research Board. Soil Stabilization with Portland Cement. National Academy of Sciences-National Research Council, 1961.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.