Cita APA (7th ed.)

ebrary, Inc, & Scherer, M. (2003). Keeping good teachers. Association for Supervision and Curriculum Development.

Cita Chicago (17th ed.)

ebrary, Inc, i Marge Scherer. Keeping Good Teachers. Alexandria, VA: Association for Supervision and Curriculum Development, 2003.

Cita MLA (9th ed.)

ebrary, Inc, i Marge Scherer. Keeping Good Teachers. Association for Supervision and Curriculum Development, 2003.