Drower, E. S. (1950). Diwan Abatur or Progress through the purgatories: Text with transl., notes and append. by E. S. Drower. Biblioteca Apostolica Vaticana.
Chicago-referens (17:e uppl.)Drower, Ethel Stefana. Diwan Abatur or Progress Through the Purgatories: Text with Transl., Notes and Append. by E. S. Drower. Città del Vaticano: Biblioteca Apostolica Vaticana, 1950.
MLA-referens (8:e uppl.)Drower, Ethel Stefana. Diwan Abatur or Progress Through the Purgatories: Text with Transl., Notes and Append. by E. S. Drower. Biblioteca Apostolica Vaticana, 1950.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.