Beard, R. M., & Senior, I. J. (1980). Motivating students. Routledge & Kegan Paul.
Cita Chicago Style (17a ed.)Beard, Ruth Mary, y Isabel J. Senior. Motivating Students. London [etc.]: Routledge & Kegan Paul, 1980.
Cita MLA (9a ed.)Beard, Ruth Mary, y Isabel J. Senior. Motivating Students. Routledge & Kegan Paul, 1980.
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