Rollig, S., & Gröting, A. The Inner Voice: Interview. Articulate Objects : Voice, Sculpture and Performance.
Lua i Stíl Chicago (17ú heag.)Rollig, Stella, agus Asta Gröting. "The Inner Voice: Interview." Articulate Objects : Voice, Sculpture and Performance .
Lua MLA (8ú heag.)Rollig, Stella, agus Asta Gröting. "The Inner Voice: Interview." Articulate Objects : Voice, Sculpture and Performance, .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.