APA (7e ed.) Bronvermelding

Crump, A. (1991). Dictionary of environment and development: People, places, ideas and organizations. Earthscan.

Chicago (17e ed.) Bronvermelding

Crump, Andy. Dictionary of Environment and Development: People, Places, Ideas and Organizations. London: Earthscan, 1991.

MLA (9e ed.) Bronvermelding

Crump, Andy. Dictionary of Environment and Development: People, Places, Ideas and Organizations. Earthscan, 1991.