Não informado. Abstracts. Technical Intelligent Branch, Coal House.
Chicagoスタイル(17版)引用形式Não informado. Abstracts. London: Technical Intelligent Branch, Coal House.
MLA(8版)引用形式Não informado. Abstracts. Technical Intelligent Branch, Coal House.
警告: この引用は必ずしも正確ではありません.