ebrary, Inc, & Scherer, M. (2003). Keeping good teachers. Association for Supervision and Curriculum Development.
Citação norma Chicagoebrary, Inc, and Marge Scherer. Keeping Good Teachers. Alexandria, VA: Association for Supervision and Curriculum Development, 2003.
Citação norma MLAebrary, Inc, and Marge Scherer. Keeping Good Teachers. Association for Supervision and Curriculum Development, 2003.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.