Freund, J. E., & John E. Freund. (2001). Modern Elementary Statistics. Upper Saddle River: Prentice Hall.
Čikaški stil citiranjaFreund, John E., i John E. Freund. Modern Elementary Statistics. Upper Saddle River: Prentice Hall, 2001.
MLA način citiranjaFreund, John E., i John E. Freund. Modern Elementary Statistics. Upper Saddle River: Prentice Hall, 2001.
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