Stipek, D. J. (2002). Motivation to learn: Integrating theory and practice (4th ed.). Allyn and Bacon.
Chicago Style aipamenaStipek, Deborah J. Motivation to Learn: Integrating Theory and Practice. 4th ed. Boston, MA: Allyn and Bacon, 2002.
MLA aipamenaStipek, Deborah J. Motivation to Learn: Integrating Theory and Practice. 4th ed. Allyn and Bacon, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.