(1981). Evaluation research and practice:comparative: And international perspectives. Sage.
Cita Chicago (17th ed.)Evaluation Research and Practice:comparative: And International Perspectives. Beverly Hills, Calif: Sage, 1981.
Cita MLA (9th ed.)Evaluation Research and Practice:comparative: And International Perspectives. Sage, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.