Langbein, L. I., & Felbinger, C. L. (2006). Public program evaluation: A statistical guide. M.E. Sharpe.
芝加哥风格引文Langbein, Laura Irwin, 与 Claire L. Felbinger. Public Program Evaluation: A Statistical Guide. Armonk, N.Y: M.E. Sharpe, 2006.
MLA引文Langbein, Laura Irwin, 与 Claire L. Felbinger. Public Program Evaluation: A Statistical Guide. M.E. Sharpe, 2006.
警告：这些引文格式不一定是100％准确.