(1992). Corporations [flash Cards]. Profesional Flash cards.
Lua i Stíl Chicago (17ú heag.)Corporations [flash Cards]. Profesional Flash cards, 1992.
Lua MLA (8ú heag.)Corporations [flash Cards]. Profesional Flash cards, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.