Perloff, R. (1979). Evalutor Interventions: Pros and Cons. Sage.
Chicago Edition CitationPerloff, Robert. Evalutor Interventions: Pros and Cons. Beverly Hills: Sage, 1979.
Cita MLAPerloff, Robert. Evalutor Interventions: Pros and Cons. Sage, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.