APA
Ashworth Graham,, . (1981). Toward a new land use ethics. Virginia: Piedmont Environemntal Council.
Chicago
Ashworth Graham,, . 1981. Toward a new land use ethics. Virginia: Piedmont Environemntal Council.
Harvard
Ashworth Graham,, . (1981). Toward a new land use ethics. Virginia: Piedmont Environemntal Council.
MLA
Ashworth Graham,, . Toward a new land use ethics. Virginia: Piedmont Environemntal Council. 1981.