CROXTON, F. E., Frederick E. Croxton, & Dubley J. Cowden. (1961). Practical business statistics, 3rd ed (3rd ed.). Prentice-Hall.
Chicago-čujuhus (17. p.)CROXTON, Frederick E., Frederick E. Croxton, juo Dubley J. Cowden. Practical Business Statistics, 3rd Ed. 3rd ed. New Jersey: Prentice-Hall, 1961.
MLA-čujuhus (9. p.)CROXTON, Frederick E., et al. Practical Business Statistics, 3rd Ed. 3rd ed. Prentice-Hall, 1961.
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