Twidell, J. (1982). Energy for rural and island communities, II: Proceedings of the second international conference, held at Inverness, Scotland, 1-4 September, 1981. Pergamon.
Lua i Stíl Chicago (17ú heag.)Twidell, John. Energy for Rural and Island Communities, II: Proceedings of the Second International Conference, Held at Inverness, Scotland, 1-4 September, 1981. Oxford: Pergamon, 1982.
Lua MLA (9ú heag.)Twidell, John. Energy for Rural and Island Communities, II: Proceedings of the Second International Conference, Held at Inverness, Scotland, 1-4 September, 1981. Pergamon, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.