Field, J., & Leicester, M. (2003). Lifelong learning: Education across the lifespan. RoutledgeFalmer.
Lua i Stíl Chicago (17ú heag.)Field, John, agus Mal Leicester. Lifelong Learning: Education Across the Lifespan. London ; New York: RoutledgeFalmer, 2003.
Lua MLA (9ú heag.)Field, John, agus Mal Leicester. Lifelong Learning: Education Across the Lifespan. RoutledgeFalmer, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.