Não informado. (1975). Arabian Journal for Science and Engineering. University of Petroleum and Minerals.
Lua i Stíl Chicago (17ú heag.)Não informado. Arabian Journal for Science and Engineering. Dhahran, Arábia Saudita: University of Petroleum and Minerals, 1975.
Lua MLA (8ú heag.)Não informado. Arabian Journal for Science and Engineering. University of Petroleum and Minerals, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.