Weltecke, D. (2012). Emperor Frederick II, "Sultan of Lucera", "Friend of the Muslims", promoter of cultural transfer: Controversies and suggestions. Bibliothek der Universität Konstanz.
Citazione stile Chigago Style (17a edizione)Weltecke, Dorothea. Emperor Frederick II, "Sultan of Lucera", "Friend of the Muslims", Promoter of Cultural Transfer: Controversies and Suggestions. Konstanz: Bibliothek der Universität Konstanz, 2012.
Citatione MLA (9a ed.)Weltecke, Dorothea. Emperor Frederick II, "Sultan of Lucera", "Friend of the Muslims", Promoter of Cultural Transfer: Controversies and Suggestions. Bibliothek der Universität Konstanz, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.