Ramage, J. (1983). Energy, a guidebook. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Ramage, Janet. Energy, a Guidebook. Oxford [Oxfordshire] ; New York: Oxford University Press, 1983.
Lua MLA (8ú heag.)Ramage, Janet. Energy, a Guidebook. Oxford University Press, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.