Não informado. (1999). Missouri geological survey and water resources. Tribune Printing.
Chicagoスタイル(17版)引用形式Não informado. Missouri Geological Survey and Water Resources. Jefferson City, Mo: Tribune Printing, 1999.
MLA(8版)引用形式Não informado. Missouri Geological Survey and Water Resources. Tribune Printing, 1999.
警告: この引用は必ずしも正確ではありません.