(1989). Production: Produccion. Vol. 43.
Lua i Stíl Chicago (17ú heag.)Production: Produccion. Vol. 43. 1989.
Lua MLA (9ú heag.)Production: Produccion. Vol. 43. 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)