APA (7 ম সংস্করণ) উদ্ধৃতি
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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি
National Research Council (U.S.). Committee on Strategic Directions for the Geographical Sciences in the Next Decade এবং Inc ebrary. Understanding the Changing Planet: Strategic Directions for the Geographical Sciences. Washington, D.C.: National Academies Press, 2010.
M.L.A (9 ম সংস্করণ) উদ্ধৃতি
National Research Council (U.S.). Committee on Strategic Directions for the Geographical Sciences in the Next Decade এবং Inc ebrary. Understanding the Changing Planet: Strategic Directions for the Geographical Sciences. National Academies Press, 2010.
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