ebrary, Inc, & Fontijn, D. (2013). Beyond barrows: Current research on the structuration and perception of the prehistoric landscape through monuments. Sidestone Press.
Chicago-referens (17:e uppl.)ebrary, Inc, och David Fontijn. Beyond Barrows: Current Research on the Structuration and Perception of the Prehistoric Landscape Through Monuments. Leiden, Netherlands: Sidestone Press, 2013.
MLA-referens (9:e uppl.)ebrary, Inc, och David Fontijn. Beyond Barrows: Current Research on the Structuration and Perception of the Prehistoric Landscape Through Monuments. Sidestone Press, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.