Summers, D. C. (1997). Quality Donna C.s; Ed. Stephen Helba. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Summers, Donna C.S. Quality Donna C.s; Ed. Stephen Helba. Prentice-Hall, 1997.
Lua MLA (8ú heag.)Summers, Donna C.S. Quality Donna C.s; Ed. Stephen Helba. Prentice-Hall, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.