Guide to World Resources 2000-2001. Washington: World Resources Institute, 2000 27 p. 1-56973-445-3.
Guide to World Resources 2000-2001. Washington: World Resources Institute, 2000 27 p. 1-56973-445-3.
(2000) Guide to World Resources 2000-2001, Washington: World Resources Institute 27 p. 1-56973-445-3.
(2000). Guide to World Resources 2000-2001. People and Ecosystems - the Fraying Web of Life. Washington: World Resources Institute, 27 p.
Guide to World Resources 2000-2001: People and Ecosystems - the Fraying Web of Life. Washington: World Resources Institute; 2000. p. 27 p. ISBN: 1-56973-445-3.