Style de citation APA (7e éd.)
ebrary, Inc. (2002). Down to earth: Georgraphic information for sustainable development in Africa. National Academy Press.
Style de citation Chicago (17e éd.)
ebrary, Inc. Down to Earth: Georgraphic Information for Sustainable Development in Africa. Washington, D.C.: National Academy Press, 2002.
Style de citation MLA (9e éd.)
ebrary, Inc. Down to Earth: Georgraphic Information for Sustainable Development in Africa. National Academy Press, 2002.
Attention : ces citations peuvent ne pas être correctes à 100%.