APA-čujuhus (7. p.)
Langbein, L. I., & Felbinger, C. L. (2006). Public program evaluation: A statistical guide. M.E. Sharpe.
Chicago-čujuhus (17. p.)
Langbein, Laura Irwin, juo Claire L. Felbinger. Public Program Evaluation: A Statistical Guide. Armonk, N.Y.: M.E. Sharpe, 2006.
MLA-čujuhus (9. p.)
Langbein, Laura Irwin, juo Claire L. Felbinger. Public Program Evaluation: A Statistical Guide. M.E. Sharpe, 2006.
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