Crump, A. (1991). Dictionary of environment and development: People, places, ideas, and organizations. Earthscan Publications.
Cita Chicago (17th ed.)Crump, Andy. Dictionary of Environment and Development: People, Places, Ideas, and Organizations. London: Earthscan Publications, 1991.
Cita MLA (9th ed.)Crump, Andy. Dictionary of Environment and Development: People, Places, Ideas, and Organizations. Earthscan Publications, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.