Simonds, J. O. (1978). Earthscape: A manual of environmental planning and design. Van Nostrand Reinhold.
Chicagoスタイル(17版)引用形式Simonds, John Ormsbee. Earthscape: A Manual of Environmental Planning and Design. New York ; Wokingham: Van Nostrand Reinhold, 1978.
MLA(8版)引用形式Simonds, John Ormsbee. Earthscape: A Manual of Environmental Planning and Design. Van Nostrand Reinhold, 1978.
警告: この引用は必ずしも正確ではありません.