Lua APA (7ú heag.)
Energy Sources, Part B: Energy, Economics, and Planning.
Lua i Stíl Chicago (17ú heag.)
Energy Sources, Part B: Energy, Economics, and Planning.
Lua MLA (9ú heag.)
Energy Sources, Part B: Energy, Economics, and Planning.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.