Não informado. Philips Research Reports. Philips Research Laboratories.
Lua i Stíl Chicago (17ú heag.)Não informado. Philips Research Reports. Eindhoven, Holanda: Philips Research Laboratories.
Lua MLA (8ú heag.)Não informado. Philips Research Reports. Philips Research Laboratories.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.