Herst, R. (1979). Status ISQ. Doubleday.
Lua i Stíl Chicago (17ú heag.)Herst, Roger. Status ISQ. New York: Doubleday, 1979.
Lua MLA (9ú heag.)Herst, Roger. Status ISQ. Doubleday, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.