George A. Miller, P. N. J. Language and perception. The Belknap Press of Harvard University Press.
Lua i Stíl Chicago (17ú heag.)George A. Miller, Philip N. Johnson-Lairal. Language and Perception. The Belknap Press of Harvard University Press.
Lua MLA (8ú heag.)George A. Miller, Philip N. Johnson-Lairal. Language and Perception. The Belknap Press of Harvard University Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.