(1987). Handbook on continuing education. Maxwell Macmillan.
Lua i Stíl Chicago (17ú heag.)Handbook on Continuing Education. New York: Maxwell Macmillan, 1987.
Lua MLA (9ú heag.)Handbook on Continuing Education. Maxwell Macmillan, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.