Cita APA

Wilhelms, F. T. (1973). Supervision in a new key. Association for Supervision and Curriculum Development.

Citación estilo Chicago

Wilhelms, Fred T. Supervision in a New Key. Washington: Association for Supervision and Curriculum Development, 1973.

Cita MLA

Wilhelms, Fred T. Supervision in a New Key. Association for Supervision and Curriculum Development, 1973.

Warning: These citations may not always be 100% accurate.