APA (7. basım) Alıntı

Levitan, S. A., & Wurzburg, G. K. (1979). Evaluating Federal social programs: An uncertain art. W.E. Upjohn Institute for Employment Research.

Chicago Style (17. basım) Atıf

Levitan, Sar A., ve Gregory K. Wurzburg. Evaluating Federal Social Programs: An Uncertain Art. Kalamazoo, Mich: W.E. Upjohn Institute for Employment Research, 1979.

MLA (9th ed.) Atıf

Levitan, Sar A., ve Gregory K. Wurzburg. Evaluating Federal Social Programs: An Uncertain Art. W.E. Upjohn Institute for Employment Research, 1979.