Downie, N., & Heath, R. W. (1970). Basic statistical methods (3rd ed.). Harper & Row.
芝加哥风格引文Downie, N.M, 与 R. W. Heath. Basic Statistical Methods. 3rd ed. New York: Harper & Row, 1970.
MLA引文Downie, N.M, 与 R. W. Heath. Basic Statistical Methods. 3rd ed. Harper & Row, 1970.
警告：这些引文格式不一定是100％准确.