Jeffs, T., & Smith, M. (1990). Young people, inequality and youth work. MacMillan.
Lua i Stíl Chicago (17ú heag.)Jeffs, Tony, agus Mark Smith. Young People, Inequality and Youth Work. Basingstoke [Hants, Eng.]: MacMillan, 1990.
Lua MLA (9ú heag.)Jeffs, Tony, agus Mark Smith. Young People, Inequality and Youth Work. MacMillan, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.