Croxton, F. E., Frederick E. Croxton, Dudley J. Cowden, & Ben W. Bolen. (1961). Practical business statistics 4th ed (4th ed.). Prentice-Hall.
Citace podle Chicago (17th ed.)Croxton, Frederick E., Frederick E. Croxton, Dudley J. Cowden, a Ben W. Bolen. Practical Business Statistics 4th Ed. 4th ed. New Jersey: Prentice-Hall, 1961.
Citace podle MLA (9th ed.)Croxton, Frederick E., et al. Practical Business Statistics 4th Ed. 4th ed. Prentice-Hall, 1961.
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