Não informado. (1989). NTT Review. Nippon Telegraph and Telephone Corporation.
Lua i Stíl Chicago (17ú heag.)Não informado. NTT Review. Tokyo: Nippon Telegraph and Telephone Corporation, 1989.
Lua MLA (8ú heag.)Não informado. NTT Review. Nippon Telegraph and Telephone Corporation, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.