Lua APA (7ú heag.)

Jahn, C. (2014). O&O.

Lua i Stíl Chicago (17ú heag.)

Jahn, Carla. O&O. Wien [u.a.], 2014.

Lua MLA (8ú heag.)

Jahn, Carla. O&O. 2014.

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