Não informado. (1977). CA selects. Chemical Abstracts Service.
Chicagoスタイル(17版)引用形式Não informado. CA Selects. Columbus, Ohio: Chemical Abstracts Service, 1977.
MLA(8版)引用形式Não informado. CA Selects. Chemical Abstracts Service, 1977.
警告: この引用は必ずしも正確ではありません.