Heckard, R. F., & Utts, J. M. (2007). Activities manual for mind on statistics (Third edition.). Duxbury, Thomson Brooks/Cole.
芝加哥风格引文Heckard, Robert F., 与 Jessica M. Utts. Activities Manual for Mind on Statistics. Third edition. Belmont, Calif: Duxbury, Thomson Brooks/Cole, 2007.
MLA引文Heckard, Robert F., 与 Jessica M. Utts. Activities Manual for Mind on Statistics. Third edition. Duxbury, Thomson Brooks/Cole, 2007.
警告：这些引文格式不一定是100％准确.