Society for Visual Education. (1985). Chronology of the western world, 400-1000 AD. The Society.
Citazione stile Chigago Style (17a edizione)Society for Visual Education. Chronology of the Western World, 400-1000 AD. Chicago, IL: The Society, 1985.
Citatione MLA (9a ed.)Society for Visual Education. Chronology of the Western World, 400-1000 AD. The Society, 1985.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.