APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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