Banister, D. (2006). The true costs of air travel.
Lua i Stíl Chicago (17ú heag.)Banister, D. The True Costs of Air Travel. 2006.
Lua MLA (9ú heag.)Banister, D. The True Costs of Air Travel. 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.