Beardsley, J. (1984). Earthworks and beyond: Contemporary art in the landscape / John Beardsley (1. ed.). Abbeville.
Chicago-Zitierstil (17. Ausg.)Beardsley, John. Earthworks and Beyond: Contemporary Art in the Landscape / John Beardsley. 1. ed. New York: Abbeville, 1984.
MLA-Zitierstil (8. Ausg.)Beardsley, John. Earthworks and Beyond: Contemporary Art in the Landscape / John Beardsley. 1. ed. Abbeville, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.