Não informado. (1902). Journal of Geography. National Council for Geographic Education.
Chicagoスタイル(17版)引用形式Não informado. Journal of Geography. Indiana, Pa: National Council for Geographic Education, 1902.
MLA(8版)引用形式Não informado. Journal of Geography. National Council for Geographic Education, 1902.
警告: この引用は必ずしも正確ではありません.