APA-referens (7:e uppl.)
Schutz, H. (2004). The Carolingians in Central Europe, their history, arts, and architecture: A cultural history of Central Europe, 750-900. Brill.
Chicago-referens (17:e uppl.)
Schutz, Herbert. The Carolingians in Central Europe, Their History, Arts, and Architecture: A Cultural History of Central Europe, 750-900. Brill ; Boston: Brill, 2004.
MLA-referens (9:e uppl.)
Schutz, Herbert. The Carolingians in Central Europe, Their History, Arts, and Architecture: A Cultural History of Central Europe, 750-900. Brill, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.