Lua APA (7ú heag.)

(2004). Hummel - Calendar 2005. Ars AG.

Lua i Stíl Chicago (17ú heag.)

Hummel - Calendar 2005. Baar: Ars AG, 2004.

Lua MLA (8ú heag.)

Hummel - Calendar 2005. Ars AG, 2004.

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