McAndrew Nell. (2007). Peak Energy.
Lua i Stíl Chicago (17ú heag.)McAndrew Nell. Peak Energy. 2007.
Lua MLA (9ú heag.)McAndrew Nell. Peak Energy. 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)