Não informado. (1974). CIS abstracts. International Safety and Health Information Centre.
Chicagoスタイル(17版)引用形式Não informado. CIS Abstracts. Geneva, Suíça: International Safety and Health Information Centre, 1974.
MLA(8版)引用形式Não informado. CIS Abstracts. International Safety and Health Information Centre, 1974.
警告: この引用は必ずしも正確ではありません.