Thorndike, E. L., Bregman, E. O., Tilton, J. W., & Woodyard, E. (1928). Adult learning. Macmillan Co..
Lua i Stíl Chicago (17ú heag.)Thorndike, Edward L., Elsie Oschrin Bregman, John Warren Tilton, agus Ella Woodyard. Adult Learning. New York: Macmillan Co., 1928.
Lua MLA (8ú heag.)Thorndike, Edward L., et al. Adult Learning. Macmillan Co., 1928.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.