Stipek, D. J. (1998). Motivation to learn: From theory to practice (Third edition.). Allyn and Bacon.
Chicago-viite (17. p.)Stipek, Deborah J. Motivation to Learn: From Theory to Practice. Third edition. Boston: Allyn and Bacon, 1998.
MLA-viite (8. p.)Stipek, Deborah J. Motivation to Learn: From Theory to Practice. Third edition. Allyn and Bacon, 1998.
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