Não informado. (1967). Air pollution abstracts. Warren Spring Laboratory, Hertsford.
Chicagoスタイル(17版)引用形式Não informado. Air Pollution Abstracts. Stevenage, Inglaterra: Warren Spring Laboratory, Hertsford, 1967.
MLA(8版)引用形式Não informado. Air Pollution Abstracts. Warren Spring Laboratory, Hertsford, 1967.
警告: この引用は必ずしも正確ではありません.