Sommer, D. Who can tell?: The blanks in Villaverde / Doris Sommer. Mixing race, mixing culture : inter-American literary dialogues.(2002).
Lua i Stíl Chicago (17ú heag.)Sommer, Doris. "Who Can Tell?: The Blanks in Villaverde / Doris Sommer." Mixing Race, Mixing Culture : Inter-American Literary Dialogues.(2002) .
Lua MLA (8ú heag.)Sommer, Doris. "Who Can Tell?: The Blanks in Villaverde / Doris Sommer." Mixing Race, Mixing Culture : Inter-American Literary Dialogues.(2002), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.