Não informado. (2012). Memoirs of the Geological Survey of the United Kingdom. [s.n.].
Chicagoスタイル(17版)引用形式Não informado. Memoirs of the Geological Survey of the United Kingdom. London: [s.n.], 2012.
MLA(8版)引用形式Não informado. Memoirs of the Geological Survey of the United Kingdom. [s.n.], 2012.
警告: この引用は必ずしも正確ではありません.