Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
APA ZitierstilWebster, A., & Newman, R. (2007). Earthworks, parchmarks and cropmarks: Results of Cumbria County Council's 2006 aerial photographic survey.
Chicago ZitierstilWebster, Arnold, and Richard Newman. Earthworks, Parchmarks and Cropmarks: Results of Cumbria County Council's 2006 Aerial Photographic Survey. 2007.
MLA ZitierstilWebster, Arnold, and Richard Newman. Earthworks, Parchmarks and Cropmarks: Results of Cumbria County Council's 2006 Aerial Photographic Survey. 2007.