Henrikson, A. (1983). Through the Ages (NA.). Orbis Publishing Limited.
Lua i Stíl Chicago (17ú heag.)Henrikson, Alf. Through the Ages. NA. Great Britain: Orbis Publishing Limited, 1983.
Lua MLA (9ú heag.)Henrikson, Alf. Through the Ages. NA. Orbis Publishing Limited, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.