Lua APA (7ú heag.)
Hagman, R., & Selvig, E. (2007). Environmentally friendly vehicles: Experiences and definitions. Nordic Council of Ministers.
Lua i Stíl Chicago (17ú heag.)
Hagman, Rolf, agus Eivind Selvig. Environmentally Friendly Vehicles: Experiences and Definitions. Copenhagen: Nordic Council of Ministers, 2007.
Lua MLA (9ú heag.)
Hagman, Rolf, agus Eivind Selvig. Environmentally Friendly Vehicles: Experiences and Definitions. Nordic Council of Ministers, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.