Não informado. (1981). Journal of pipelines. Elsevier Scientific Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Pipelines. New York: Elsevier Scientific Publishing, 1981.
Lua MLA (8ú heag.)Não informado. Journal of Pipelines. Elsevier Scientific Publishing, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.