Towns, E. (1966). Successful youth work. Regal books.
Lua i Stíl Chicago (17ú heag.)Towns, Elmer. Successful Youth Work. Glendale: Regal books, 1966.
Lua MLA (9ú heag.)Towns, Elmer. Successful Youth Work. Regal books, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.