Materials, 7. A. S. f. T. a. Air-entraining admixtures for concrete.
芝加哥风格引文Materials, 7744 American Society for Testing and. Air-entraining Admixtures for Concrete.
MLA引文Materials, 7744 American Society for Testing and. Air-entraining Admixtures for Concrete.
警告：这些引文格式不一定是100％准确.