Hochberg, J. E. (1964). Perception. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Hochberg, Julian E. Perception. Englewood Cliffs: Prentice-Hall, 1964.
Lua MLA (9ú heag.)Hochberg, Julian E. Perception. Prentice-Hall, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.