Cita APA (7a ed.)

Datta, L., & Perloff, R. (1979). Improving evaluations Sage focus editions.

Cita Chicago Style (17a ed.)

Datta, Lois-Ellin, y Robert Perloff. "Improving Evaluations." Sage Focus Editions 1979.

Cita MLA (9a ed.)

Datta, Lois-Ellin, y Robert Perloff. "Improving Evaluations." Sage Focus Editions, 1979.