(1989). Catalyst. Catalyst.
Lua i Stíl Chicago (17ú heag.)Catalyst. Reading, England: Catalyst, 1989.
Lua MLA (8ú heag.)Catalyst. Catalyst, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)