Powell, A. P. (1987). Bibliography of landscape architecture, environmental design, and planning. Mansell.
Chicago-Zitierstil (17. Ausg.)Powell, Antoinette P. Bibliography of Landscape Architecture, Environmental Design, and Planning. London: Mansell, 1987.
MLA-Zitierstil (9. Ausg.)Powell, Antoinette P. Bibliography of Landscape Architecture, Environmental Design, and Planning. Mansell, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.