Hatfield, M. M., Bitter, G. G., & Edwards, N. T. (1993). Mathematics methods for the elementary and middle school (2nd ed.). Allyn and Bacon.
芝加哥风格引文Hatfield, Mary M., Gary G. Bitter, 与 Nancy Tanner Edwards. Mathematics Methods for the Elementary and Middle School. 2nd ed. Boston: Allyn and Bacon, 1993.
MLA引文Hatfield, Mary M., et al. Mathematics Methods for the Elementary and Middle School. 2nd ed. Allyn and Bacon, 1993.
警告：这些引文格式不一定是100％准确.