Wigfield, A., & Eccles, J. S. (2002). Development of achievement motivation. Academic Press.
Cita Chicago Style (17a ed.)Wigfield, Allan, y Jacquelynne S. Eccles. Development of Achievement Motivation. San Diego [etc.]: Academic Press, 2002.
Cita MLA (9a ed.)Wigfield, Allan, y Jacquelynne S. Eccles. Development of Achievement Motivation. Academic Press, 2002.
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