LEAHEY, T. H., & HARRIS, R. J. (1993). Learning and cognition.-- ed.3. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)LEAHEY, Thomas H., agus Richard Jackson HARRIS. Learning and Cognition.-- Ed.3. Englewood Cliffs: Prentice Hall, 1993.
Lua MLA (9ú heag.)LEAHEY, Thomas H., agus Richard Jackson HARRIS. Learning and Cognition.-- Ed.3. Prentice Hall, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.