Crump, A. (1991). Dictionary of environment and development: People, places, ideas and organizations. Earthscan.
Čikaški stil citiranja (17. izdanje)Crump, Andy. Dictionary of Environment and Development: People, Places, Ideas and Organizations. London: Earthscan, 1991.
MLA način citiranja (9. izdanje)Crump, Andy. Dictionary of Environment and Development: People, Places, Ideas and Organizations. Earthscan, 1991.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.