States), N. C. M. A. (. (1993). Fire resistance rating of concrete masonry assemblies. Herndon, Vir., : National Concrete Mansonry Association.
芝加哥风格引文States), National Concrete Masonry Association (United. Fire Resistance Rating of Concrete Masonry Assemblies. Herndon, Vir., : National Concrete Mansonry Association, 1993.
MLA引文States), National Concrete Masonry Association (United. Fire Resistance Rating of Concrete Masonry Assemblies. Herndon, Vir., : National Concrete Mansonry Association, 1993.
警告：这些引文格式不一定是100％准确.