Cita APA (7a ed.)

FREEMAN, H. E. Evaluation Studies: Review annual, volume 6. Sage Publications.

Cita Chicago Style (17a ed.)

FREEMAN, Howard E. Evaluation Studies: Review Annual, Volume 6. Sage Publications.

Cita MLA (8a ed.)

FREEMAN, Howard E. Evaluation Studies: Review Annual, Volume 6. Sage Publications.