Cita APA (7th ed.)
Snow, D., & Barley, Z. A. (2005). Classroom strategies for helping at-risk students. Association for Supervision and Curriculum Development.
Cita Chicago (17th ed.)
Snow, David, i Zoe A. Barley. Classroom Strategies for Helping At-risk Students. Alexandria, VA: Association for Supervision and Curriculum Development, 2005.
Cita MLA (9th ed.)
Snow, David, i Zoe A. Barley. Classroom Strategies for Helping At-risk Students. Association for Supervision and Curriculum Development, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.