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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Council for Geographic Education, National Council of Geography Teachers (U.S.), و American Geographical Society of New York. The Journal of Geography. [Macomb, IL., etc.]: National Council for Geographic Education.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)National Council for Geographic Education, et al. The Journal of Geography. National Council for Geographic Education.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.