Frey, P. D., Smart, M. J., & Walker, S. A. (2013). Standards of practice for teachers: A brief handbook. Routledge.
Cita Chicago Style (17a ed.)Frey, P. Diane, Mary Jane Smart, y Sue A. Walker. Standards of Practice for Teachers: A Brief Handbook. New York: Routledge, 2013.
Cita MLA (9a ed.)Frey, P. Diane, et al. Standards of Practice for Teachers: A Brief Handbook. Routledge, 2013.
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