APA-čujuhus (7. p.)
Newbold, P. (1988). Statistics for business and economics (2nd ed.). Prentice Hall.
Chicago-čujuhus (17. p.)
Newbold, Paul. Statistics for Business and Economics. 2nd ed. Englewood Cliffs, N.J.: Prentice Hall, 1988.
MLA-čujuhus (9. p.)
Newbold, Paul. Statistics for Business and Economics. 2nd ed. Prentice Hall, 1988.
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