Não informado. (1911). Annals of the Association of American Geographers. Association of American Geographers.
Chicagoスタイル(17版)引用形式Não informado. Annals of the Association of American Geographers. Washington: Association of American Geographers, 1911.
MLA(8版)引用形式Não informado. Annals of the Association of American Geographers. Association of American Geographers, 1911.
警告: この引用は必ずしも正確ではありません.