(1979). An index and other usefull information. Springer-Verlag.
Lua i Stíl Chicago (17ú heag.)An Index and Other Usefull Information. Berlin: Springer-Verlag, 1979.
Lua MLA (9ú heag.)An Index and Other Usefull Information. Springer-Verlag, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.