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Trích dẫn kiểu Chicago (xuất bản lần thứ 7)National Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, Pennsylvania State University. Materials Research Institute, và D. M. Roy. Relationship of Portland Cement Characteristics to Concrete Durability. Washington, D.C: Transportation Research Board, National Research Council, 2002.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)National Research Council (U.S.). Transportation Research Board, et al. Relationship of Portland Cement Characteristics to Concrete Durability. Transportation Research Board, National Research Council, 2002.