APA-čujuhus (7. p.)

Bechtold, B. (1989). Statistics for business... PWS-KENT.

Chicago-čujuhus (17. p.)

Bechtold, Brigitte. Statistics for Business... Boston: PWS-KENT, 1989.

MLA-čujuhus (9. p.)

Bechtold, Brigitte. Statistics for Business... PWS-KENT, 1989.

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