Crump, A. (1991). Dictionary of environment and development: People, places, ideas and organizations. Earthscan.
Цитирование в стиле Чикаго (17-е изд.)Crump, Andy. Dictionary of Environment and Development: People, Places, Ideas and Organizations. London: Earthscan, 1991.
Цитирование MLA (9-е изд.)Crump, Andy. Dictionary of Environment and Development: People, Places, Ideas and Organizations. Earthscan, 1991.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.