GUTHRIE, H. W. (1966). Statistical methods in economics. Richard D. Irwin.
Chicago-čujuhus (17. p.)GUTHRIE, Harold W. Statistical Methods in Economics. Homewood: Richard D. Irwin, 1966.
MLA-čujuhus (9. p.)GUTHRIE, Harold W. Statistical Methods in Economics. Richard D. Irwin, 1966.
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