Lua APA (7ú heag.)

Lewis, D. J. (1963). Scientific principles of psychology. Prentice - hall.

Lua i Stíl Chicago (17ú heag.)

Lewis, Donald J. Scientific Principles of Psychology. New Jersey: Prentice - hall, 1963.

Lua MLA (9ú heag.)

Lewis, Donald J. Scientific Principles of Psychology. Prentice - hall, 1963.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.