Page, S. Good creation and demonic illusions: The medieval universe of creatures / Sophie Page. A cultural history of animals in the Medieval age.(2007).
Chicago-viite (17. p.)Page, Sophie. "Good Creation and Demonic Illusions: The Medieval Universe of Creatures / Sophie Page." A Cultural History of Animals in the Medieval Age.(2007) .
MLA-viite (8. p.)Page, Sophie. "Good Creation and Demonic Illusions: The Medieval Universe of Creatures / Sophie Page." A Cultural History of Animals in the Medieval Age.(2007), .
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.