APA(7版)引用形式
ebrary, Inc. (2002). Down to earth: Georgraphic information for sustainable development in Africa. National Academy Press.
Chicagoスタイル(17版)引用形式
ebrary, Inc. Down to Earth: Georgraphic Information for Sustainable Development in Africa. Washington, D.C.: National Academy Press, 2002.
MLA(9版)引用形式
ebrary, Inc. Down to Earth: Georgraphic Information for Sustainable Development in Africa. National Academy Press, 2002.
警告: この引用は必ずしも正確ではありません.