Schieffer, R., & Schwartz, E. (1940). Concilium universale Constantinopolitanum sub Iustiniano habitum: Congessit Rudolfus Schieffer. de Gruyter.
Lua i Stíl Chicago (17ú heag.)Schieffer, Rudolf, agus Eduard Schwartz. Concilium Universale Constantinopolitanum Sub Iustiniano Habitum: Congessit Rudolfus Schieffer. Berolini: de Gruyter, 1940.
Lua MLA (8ú heag.)Schieffer, Rudolf, agus Eduard Schwartz. Concilium Universale Constantinopolitanum Sub Iustiniano Habitum: Congessit Rudolfus Schieffer. de Gruyter, 1940.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.