Não informado. (1994). International Journal of Sustainable Development and World Ecology. Parthenon Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. International Journal of Sustainable Development and World Ecology. Lancs, Inglaterra: Parthenon Publishing, 1994.
Lua MLA (8ú heag.)Não informado. International Journal of Sustainable Development and World Ecology. Parthenon Publishing, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.