Sprinthall, N. A., & Sprinthall, R. C. (1990). Educational psychology: A developmental approach (5th ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Sprinthall, Norman A., agus Richard C. Sprinthall. Educational Psychology: A Developmental Approach. 5th ed. New York: McGraw-Hill, 1990.
Lua MLA (9ú heag.)Sprinthall, Norman A., agus Richard C. Sprinthall. Educational Psychology: A Developmental Approach. 5th ed. McGraw-Hill, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.