Não informado. (1974). American cartographer. American Congress on Surveying and Mapping.
Chicagoスタイル(17版)引用形式Não informado. American Cartographer. Washington: American Congress on Surveying and Mapping, 1974.
MLA(8版)引用形式Não informado. American Cartographer. American Congress on Surveying and Mapping, 1974.
警告: この引用は必ずしも正確ではありません.