Murphy, J. (1978). Never too old to teach. AED.
Lua i Stíl Chicago (17ú heag.)Murphy, Judith. Never Too Old to Teach. New York: AED, 1978.
Lua MLA (9ú heag.)Murphy, Judith. Never Too Old to Teach. AED, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.