Lua APA (7ú heag.)

Mohr, L. B. (1995). Impact analysis for program evaluation (2nd ed.). Sage Publications.

Lua i Stíl Chicago (17ú heag.)

Mohr, Lawrence B. Impact Analysis for Program Evaluation. 2nd ed. Thousand Oaks, Calif.: Sage Publications, 1995.

Lua MLA (8ú heag.)

Mohr, Lawrence B. Impact Analysis for Program Evaluation. 2nd ed. Sage Publications, 1995.

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