Cita APA

Wilhelms, F. T. (1976). Evaluation as feedback and guide. [S.l.]: NEA.

Citación estilo Chicago

Wilhelms, Fred T. Evaluation As Feedback and Guide. [S.l.]: NEA, 1976.

Cita MLA

Wilhelms, Fred T. Evaluation As Feedback and Guide. [S.l.]: NEA, 1976.