Neuner. (1981). Sistem-sistem Akunting Neuner. Sinar Baru.
Lua i Stíl Chicago (17ú heag.)Neuner. Sistem-sistem Akunting Neuner. Sinar Baru, 1981.
Lua MLA (8ú heag.)Neuner. Sistem-sistem Akunting Neuner. Sinar Baru, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.