(2013). Westfalenpost / P.
Lua i Stíl Chicago (17ú heag.)Westfalenpost / P. Ahlen, 2013.
Lua MLA (8ú heag.)Westfalenpost / P. 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)