SPRINTHALL, N. (1987). Educational Psychology: A Developmental Approach/norman A Sprinthall & Richard C. Spirithall. Random House.
Lua i Stíl Chicago (17ú heag.)SPRINTHALL, Norman. Educational Psychology: A Developmental Approach/norman A Sprinthall & Richard C. Spirithall. Random House, 1987.
Lua MLA (8ú heag.)SPRINTHALL, Norman. Educational Psychology: A Developmental Approach/norman A Sprinthall & Richard C. Spirithall. Random House, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.