Stone, J., & Miller, R. M. (1985). Volunteer youth workers. Group books.
Lua i Stíl Chicago (17ú heag.)Stone, J.David, agus Rose Mary Miller. Volunteer Youth Workers. Loveland: Group books, 1985.
Lua MLA (9ú heag.)Stone, J.David, agus Rose Mary Miller. Volunteer Youth Workers. Group books, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.