Não informado. (2008). Journal of interdisciplinary cycle research. Swets & Zeitlinger.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Interdisciplinary Cycle Research. Lisse, Holanda: Swets & Zeitlinger, 2008.
Lua MLA (8ú heag.)Não informado. Journal of Interdisciplinary Cycle Research. Swets & Zeitlinger, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.