Croxton, F. E., Cowden, D. J., & Bolch, B. W. (1969). Practical business statistics (4th ed.). Prentice-Hall.
芝加哥风格引文Croxton, Frederick E., Dudley J. Cowden, 与 Ben W. Bolch. Practical Business Statistics. 4th ed. Englewood Cliffs, N.J.: Prentice-Hall, 1969.
MLA引文Croxton, Frederick E., et al. Practical Business Statistics. 4th ed. Prentice-Hall, 1969.
警告：这些引文格式不一定是100％准确.