Não informado. (1969). Proceedings of the Japan Society of Civil Engineers. Japan Society of Civil Engineers.
Lua i Stíl Chicago (17ú heag.)Não informado. Proceedings of the Japan Society of Civil Engineers. Tokyo: Japan Society of Civil Engineers, 1969.
Lua MLA (8ú heag.)Não informado. Proceedings of the Japan Society of Civil Engineers. Japan Society of Civil Engineers, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.