Gebhardt, R. F. (1988). Rapid methods for chemical analysis of hydraulic cement. ASTM.
芝加哥风格引文Gebhardt, Ronald F. Rapid Methods for Chemical Analysis of Hydraulic Cement. Philadelphia, PA: ASTM, 1988.
MLA引文Gebhardt, Ronald F. Rapid Methods for Chemical Analysis of Hydraulic Cement. ASTM, 1988.
警告：这些引文格式不一定是100％准确.