Lundin, R. W. (1967). An objective psychology of music (2nd ed.). Ronald Press.
Lua i Stíl Chicago (17ú heag.)Lundin, Robert W. An Objective Psychology of Music. 2nd ed. New York: Ronald Press, 1967.
Lua MLA (9ú heag.)Lundin, Robert W. An Objective Psychology of Music. 2nd ed. Ronald Press, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.