Lua APA (7ú heag.)
Letcher, T. M. (2014). Future energy: Improved, sustainable and clean options for our planet (Second edition.). Elsevier.
Lua i Stíl Chicago (17ú heag.)
Letcher, T. M. Future Energy: Improved, Sustainable and Clean Options for Our Planet. Second edition. Amsterdam: Elsevier, 2014.
Lua MLA (9ú heag.)
Letcher, T. M. Future Energy: Improved, Sustainable and Clean Options for Our Planet. Second edition. Elsevier, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.