National Research Council (U.S.). Committee on Strategic Directions for the Geographical Sciences in the Next Decade & ebrary, Inc. (2010). Understanding the changing planet: Strategic directions for the geographical sciences. National Academies Press.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)National Research Council (U.S.). Committee on Strategic Directions for the Geographical Sciences in the Next Decade và Inc ebrary. Understanding the Changing Planet: Strategic Directions for the Geographical Sciences. Washington, D.C.: National Academies Press, 2010.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)National Research Council (U.S.). Committee on Strategic Directions for the Geographical Sciences in the Next Decade và Inc ebrary. Understanding the Changing Planet: Strategic Directions for the Geographical Sciences. National Academies Press, 2010.