APA引文

National Research Council (U.S.). Highway Research Board. (1951). Volcanic ash and laterite soils in highway construction: Presented at the Thirtieth Annual Meeting, 1951. Highway Research Board.

Chicago Style (17th ed.) Citation

National Research Council (U.S.). Highway Research Board. Volcanic Ash and Laterite Soils in Highway Construction: Presented at the Thirtieth Annual Meeting, 1951. Washington, D.C: Highway Research Board, 1951.

MLA引文

National Research Council (U.S.). Highway Research Board. Volcanic Ash and Laterite Soils in Highway Construction: Presented at the Thirtieth Annual Meeting, 1951. Highway Research Board, 1951.