Hergenhahn, B. R. (1988). An introduction to theories of learning. Prentice Hall Int.
Lua i Stíl Chicago (17ú heag.)Hergenhahn, B R. An Introduction to Theories of Learning. Englewood Cliffs, N J: Prentice Hall Int, 1988.
Lua MLA (9ú heag.)Hergenhahn, B R. An Introduction to Theories of Learning. Prentice Hall Int, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.