APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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