Gibbons, D. C. (1986). The economic value of water. Resources for the Future ; Distributed by Johns Hopkins University Press.
Chicago-referens (17:e uppl.)Gibbons, Diana C. The Economic Value of Water. Washington, D.C. : [Baltimore]: Resources for the Future ; Distributed by Johns Hopkins University Press, 1986.
MLA-referens (8:e uppl.)Gibbons, Diana C. The Economic Value of Water. Resources for the Future ; Distributed by Johns Hopkins University Press, 1986.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.