Newbold, P. (1991). Statistics for business and economics: Study guide (3rd ed.). Prentice-Hall.
芝加哥风格引文Newbold, Paul. Statistics for Business and Economics: Study Guide. 3rd ed. Englewood Cliffs, N.J: Prentice-Hall, 1991.
MLA引文Newbold, Paul. Statistics for Business and Economics: Study Guide. 3rd ed. Prentice-Hall, 1991.
警告：这些引文格式不一定是100％准确.