Dyfyniad APA
Langbein, L. I., & Felbinger, C. L. (2006). Public program evaluation: A statistical guide. M.E. Sharpe.
Dyfyniad Arddull Chicago
Langbein, Laura Irwin, and Claire L. Felbinger. Public Program Evaluation: A Statistical Guide. Armonk, N.Y.: M.E. Sharpe, 2006.
Dyfyniad MLA
Langbein, Laura Irwin, and Claire L. Felbinger. Public Program Evaluation: A Statistical Guide. M.E. Sharpe, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.