STEPHENS, R. T. (1977). Worktext in intermediate algebra. West Pub. Co.
芝加哥风格引文STEPHENS, Robert T. Worktext in Intermediate Algebra. St. Paul: West Pub. Co, 1977.
MLA引文STEPHENS, Robert T. Worktext in Intermediate Algebra. West Pub. Co, 1977.
警告：这些引文格式不一定是100％准确.