National Council for Geographic Education, National Council of Geography Teachers (U.S.), & American Geographical Society of New York. The Journal of geography. National Council for Geographic Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Council for Geographic Education, National Council of Geography Teachers (U.S.), और American Geographical Society of New York. The Journal of Geography. [Macomb, IL., etc.]: National Council for Geographic Education.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNational Council for Geographic Education, et al. The Journal of Geography. National Council for Geographic Education.
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