Lua APA (7ú heag.)

Elsdon, K. T. (2003). Crisis of opportunity: Perspectives on adult education and humanism. NIACE.

Lua i Stíl Chicago (17ú heag.)

Elsdon, Konrad Theodore. Crisis of Opportunity: Perspectives on Adult Education and Humanism. Leicester: NIACE, 2003.

Lua MLA (9ú heag.)

Elsdon, Konrad Theodore. Crisis of Opportunity: Perspectives on Adult Education and Humanism. NIACE, 2003.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.