Kottler, E. A., & Kottler, J. A. A. (2007). Counseling skills for teachers (2nd ed.).
Citación estilo ChicagoKottler, Ellen; Author, y Jeffrey A; Author Kottler. Counseling Skills for Teachers. 2nd ed. California, Corwin Press, 2007.
Cita MLAKottler, Ellen; Author, y Jeffrey A; Author Kottler. Counseling Skills for Teachers. 2nd ed. 2007.
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