Crump, A. (1991). Dictionary of environment and development: People, places, ideas and organizations. Earthscan.
Chicago Style (17. basım) AtıfCrump, Andy. Dictionary of Environment and Development: People, Places, Ideas and Organizations. London: Earthscan, 1991.
MLA (9th ed.) AtıfCrump, Andy. Dictionary of Environment and Development: People, Places, Ideas and Organizations. Earthscan, 1991.
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