Sparks, L. e., & Sparks, L. (1985). The Youth Workers personal management handbook. Group Books.
Lua i Stíl Chicago (17ú heag.)Sparks, Lee ed, agus Lee Sparks. The Youth Workers Personal Management Handbook. Loveland: Group Books, 1985.
Lua MLA (9ú heag.)Sparks, Lee ed, agus Lee Sparks. The Youth Workers Personal Management Handbook. Group Books, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.