California. Office of Appropriate Technology. (1979). Present value: Constructing a sustainable future. The Office of Appropriate Technology.
Chicago Style (17th ed.) CitationCalifornia. Office of Appropriate Technology. Present Value: Constructing a Sustainable Future. Sacramento: The Office of Appropriate Technology, 1979.
MLA (9th ed.) CitationCalifornia. Office of Appropriate Technology. Present Value: Constructing a Sustainable Future. The Office of Appropriate Technology, 1979.
Warning: These citations may not always be 100% accurate.