Não informado. (2002). Chemical and Engineering News. American Chemical Society.
Chicagoスタイル(17版)引用形式Não informado. Chemical and Engineering News. Washington: American Chemical Society, 2002.
MLA(8版)引用形式Não informado. Chemical and Engineering News. American Chemical Society, 2002.
警告: この引用は必ずしも正確ではありません.