Cita APA (7th ed.)

Langbein, L. I. (2012). Public program evaluation: A statistical guide (Second edition.). M.E. Sharpe.

Cita Chicago (17th ed.)

Langbein, Laura Irwin. Public Program Evaluation: A Statistical Guide. Second edition. Armonk, N.Y: M.E. Sharpe, 2012.

Cita MLA (9th ed.)

Langbein, Laura Irwin. Public Program Evaluation: A Statistical Guide. Second edition. M.E. Sharpe, 2012.