Stipek, D. J. (1998). Motivation to learn: From theory to practice (Third edition.). Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Stipek, Deborah J. Motivation to Learn: From Theory to Practice. Third edition. Boston: Allyn and Bacon, 1998.
Lua MLA (8ú heag.)Stipek, Deborah J. Motivation to Learn: From Theory to Practice. Third edition. Allyn and Bacon, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.