Walker, J. E., & Shea, T. M. (1984). Behavior management: A practical approach for educators (3rd ed.). Charles E. Merrill.
Cita Chicago (17th ed.)Walker, James Edwin, i Thomas M. Shea. Behavior Management: A Practical Approach for Educators. 3rd ed. Ohio: Charles E. Merrill, 1984.
Cita MLA (9th ed.)Walker, James Edwin, i Thomas M. Shea. Behavior Management: A Practical Approach for Educators. 3rd ed. Charles E. Merrill, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.