Lua APA (7ú heag.)
Howell, D., & Nakhle, C. (2007). Out of the energy labyrinth: Uniting energy and the environment to avert catastrophe. I.B. Tauris.
Lua i Stíl Chicago (17ú heag.)
Howell, David, agus Carole Nakhle. Out of the Energy Labyrinth: Uniting Energy and the Environment to Avert Catastrophe. London ; New York: I.B. Tauris, 2007.
Lua MLA (9ú heag.)
Howell, David, agus Carole Nakhle. Out of the Energy Labyrinth: Uniting Energy and the Environment to Avert Catastrophe. I.B. Tauris, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.