Stipek, D. J. (1998). Motivation to learn: From theory to practice (Third edition.). Allyn and Bacon.
Citazione stile Chigago Style (17a edizione)Stipek, Deborah J. Motivation to Learn: From Theory to Practice. Third edition. Boston: Allyn and Bacon, 1998.
Citatione MLA (8a ed.)Stipek, Deborah J. Motivation to Learn: From Theory to Practice. Third edition. Allyn and Bacon, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.