(1988). <As >raças humanas. Resomnia.
Lua i Stíl Chicago (17ú heag.)<As >raças Humanas. Resomnia, 1988.
Lua MLA (8ú heag.)<As >raças Humanas. Resomnia, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)