Chittister, J. (2004). Called to question: A spiritual memoir. Sheed & Ward.
Lua i Stíl Chicago (17ú heag.)Chittister, Joan. Called to Question: A Spiritual Memoir. Lanham, Md.: Sheed & Ward, 2004.
Lua MLA (8ú heag.)Chittister, Joan. Called to Question: A Spiritual Memoir. Sheed & Ward, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.