Cita APA (7th ed.)
ebrary, Inc, & Williams, B. (2003). Closing the achievement gap: A vision for changing beliefs and practices (2nd ed.). Association for Supervision and Curriculum Development.
Cita Chicago (17th ed.)
ebrary, Inc, i Belinda Williams. Closing the Achievement Gap: A Vision for Changing Beliefs and Practices. 2nd ed. Alexandria, Va.: Association for Supervision and Curriculum Development, 2003.
Cita MLA (9th ed.)
ebrary, Inc, i Belinda Williams. Closing the Achievement Gap: A Vision for Changing Beliefs and Practices. 2nd ed. Association for Supervision and Curriculum Development, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.