Não informado. (1944). Surveying and mapping. American Congress on Surveying and Mapping.
Chicagoスタイル(17版)引用形式Não informado. Surveying and Mapping. Washington: American Congress on Surveying and Mapping, 1944.
MLA(8版)引用形式Não informado. Surveying and Mapping. American Congress on Surveying and Mapping, 1944.
警告: この引用は必ずしも正確ではありません.